1680591220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 4765630464

約数和(自身を除く): 3085039244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 47, 49, 55, 62, 70, 77, 94, 98, 107, 110, 124, 140, 154, 155, 188, 196, 214, 217, 220, 235, 245, 308, 310, 329, 341, 385, 428, 434, 470, 490, 517, 535, 539, 620, 658, 682, 749, 770, 868, 940, 980, 1034, 1070, 1078, 1085, 1177, 1316, 1364, 1457, 1498, 1519, 1540, 1645, 1705, 2068, 2140, 2156, 2170, 2303, 2354, 2387, 2585, 2695, 2914, 2996, 3038, 3290, 3317, 3410, 3619, 3745, 4340, 4606, 4708, 4774, 5029, 5170, 5243, 5390, 5828, 5885, 6076, 6580, 6634, 6820, 7238, 7285, 7490, 7595, 8239, 9212, 9548, 10058, 10199, 10340, 10486, 10780, 11515, 11770, 11935, 13268, 14476, 14570, 14980, 15190, 16027, 16478, 16585, 16709, 18095, 20116, 20398, 20972, 23030, 23219, 23540, 23870, 25145, 25333, 26215, 29140, 30380, 32054, 32956, 33170, 33418, 35203, 36190, 36487, 40796, 41195, 46060, 46438, 47740, 50290, 50666, 50995, 52430, 55319, 57673, 64108, 66340, 66836, 70406, 71393, 72380, 72974, 80135, 82390, 83545, 92876, 100580, 101332, 101990, 104860, 110638, 112189, 115346, 116095, 126665, 140812, 142786, 145948, 155899, 160270, 162533, 164780, 167090, 176015, 182435, 203980, 221276, 224378, 230692, 232190, 246421, 253330, 255409, 276595, 285572, 288365, 311798, 320540, 325066, 334180, 352030, 356965, 364870, 387233, 448756, 464380, 492842, 506660, 510818, 553190, 560945, 576730, 623596, 650132, 704060, 713930, 729740, 774466, 779495, 785323, 812665, 985684, 1021636, 1091293, 1106380, 1121890, 1153460, 1232105, 1277045, 1427860, 1548932, 1558990, 1570646, 1625330, 1714889, 1787863, 1936165, 2182586, 2243780, 2464210, 2554090, 2710631, 3117980, 3141292, 3250660, 3429778, 3575726, 3872330, 3926615, 4365172, 4928420, 5108180, 5421262, 5456465, 6859556, 7151452, 7639051, 7744660, 7853230, 8574445, 8939315, 10842524, 10912930, 12004223, 13553155, 15278102, 15706460, 17148890, 17878630, 21825860, 24008446, 27106310, 30556204, 34297780, 35757260, 38195255, 48016892, 54212620, 60021115, 76390510, 84029561, 120042230, 152781020, 168059122, 240084460, 336118244, 420147805, 840295610, 1680591220]

約数ペア:

[(1, 1680591220), (2, 840295610), (4, 420147805), (5, 336118244), (7, 240084460), (10, 168059122), (11, 152781020), (14, 120042230), (20, 84029561), (22, 76390510), (28, 60021115), (31, 54212620), (35, 48016892), (44, 38195255), (47, 35757260), (49, 34297780), (55, 30556204), (62, 27106310), (70, 24008446), (77, 21825860), (94, 17878630), (98, 17148890), (107, 15706460), (110, 15278102), (124, 13553155), (140, 12004223), (154, 10912930), (155, 10842524), (188, 8939315), (196, 8574445), (214, 7853230), (217, 7744660), (220, 7639051), (235, 7151452), (245, 6859556), (308, 5456465), (310, 5421262), (329, 5108180), (341, 4928420), (385, 4365172), (428, 3926615), (434, 3872330), (470, 3575726), (490, 3429778), (517, 3250660), (535, 3141292), (539, 3117980), (620, 2710631), (658, 2554090), (682, 2464210), (749, 2243780), (770, 2182586), (868, 1936165), (940, 1787863), (980, 1714889), (1034, 1625330), (1070, 1570646), (1078, 1558990), (1085, 1548932), (1177, 1427860), (1316, 1277045), (1364, 1232105), (1457, 1153460), (1498, 1121890), (1519, 1106380), (1540, 1091293), (1645, 1021636), (1705, 985684), (2068, 812665), (2140, 785323), (2156, 779495), (2170, 774466), (2303, 729740), (2354, 713930), (2387, 704060), (2585, 650132), (2695, 623596), (2914, 576730), (2996, 560945), (3038, 553190), (3290, 510818), (3317, 506660), (3410, 492842), (3619, 464380), (3745, 448756), (4340, 387233), (4606, 364870), (4708, 356965), (4774, 352030), (5029, 334180), (5170, 325066), (5243, 320540), (5390, 311798), (5828, 288365), (5885, 285572), (6076, 276595), (6580, 255409), (6634, 253330), (6820, 246421), (7238, 232190), (7285, 230692), (7490, 224378), (7595, 221276), (8239, 203980), (9212, 182435), (9548, 176015), (10058, 167090), (10199, 164780), (10340, 162533), (10486, 160270), (10780, 155899), (11515, 145948), (11770, 142786), (11935, 140812), (13268, 126665), (14476, 116095), (14570, 115346), (14980, 112189), (15190, 110638), (16027, 104860), (16478, 101990), (16585, 101332), (16709, 100580), (18095, 92876), (20116, 83545), (20398, 82390), (20972, 80135), (23030, 72974), (23219, 72380), (23540, 71393), (23870, 70406), (25145, 66836), (25333, 66340), (26215, 64108), (29140, 57673), (30380, 55319), (32054, 52430), (32956, 50995), (33170, 50666), (33418, 50290), (35203, 47740), (36190, 46438), (36487, 46060), (40796, 41195)]