681379380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:727

約数の個数: 288

約数和(自身を含む): 2468164608

約数和(自身を除く): 1786785228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 31, 33, 34, 36, 44, 45, 51, 55, 60, 62, 66, 68, 85, 90, 93, 99, 102, 110, 124, 132, 153, 155, 165, 170, 180, 186, 187, 198, 204, 220, 255, 279, 306, 310, 330, 340, 341, 372, 374, 396, 465, 495, 510, 527, 558, 561, 612, 620, 653, 660, 682, 748, 765, 930, 935, 990, 1020, 1023, 1054, 1116, 1122, 1306, 1364, 1395, 1530, 1581, 1683, 1705, 1860, 1870, 1959, 1980, 2046, 2108, 2244, 2612, 2635, 2790, 2805, 3060, 3069, 3162, 3265, 3366, 3410, 3740, 3918, 4092, 4743, 5115, 5270, 5580, 5610, 5797, 5877, 6138, 6324, 6530, 6732, 6820, 7183, 7836, 7905, 8415, 9486, 9795, 10230, 10540, 11101, 11220, 11594, 11754, 12276, 13060, 14366, 15345, 15810, 16830, 17391, 18972, 19590, 20243, 20460, 21549, 22202, 23188, 23508, 23715, 28732, 28985, 29385, 30690, 31620, 33303, 33660, 34782, 35915, 39180, 40486, 43098, 44404, 47430, 52173, 55505, 57970, 58770, 60729, 61380, 64647, 66606, 69564, 71830, 80972, 86196, 86955, 94860, 99909, 101215, 104346, 107745, 111010, 115940, 117540, 121458, 122111, 129294, 133212, 143660, 166515, 173910, 182187, 199818, 202430, 208692, 215490, 222020, 222673, 242916, 244222, 258588, 260865, 303645, 323235, 333030, 344131, 347820, 364374, 366333, 399636, 404860, 430980, 445346, 488444, 499545, 521730, 607290, 610555, 646470, 666060, 668019, 688262, 728748, 732666, 890692, 910935, 999090, 1032393, 1043460, 1098999, 1113365, 1214580, 1221110, 1292940, 1336038, 1376524, 1465332, 1720655, 1821870, 1831665, 1998180, 2004057, 2064786, 2197998, 2226730, 2442220, 2672076, 3097179, 3340095, 3441310, 3643740, 3663330, 3785441, 4008114, 4129572, 4395996, 4453460, 5161965, 5494995, 6194358, 6680190, 6882620, 7326660, 7570882, 8016228, 10020285, 10323930, 10989990, 11356323, 12388716, 13360380, 15141764, 15485895, 18927205, 20040570, 20647860, 21979980, 22712646, 30971790, 34068969, 37854410, 40081140, 45425292, 56781615, 61943580, 68137938, 75708820, 113563230, 136275876, 170344845, 227126460, 340689690, 681379380]

約数ペア:

[(1, 681379380), (2, 340689690), (3, 227126460), (4, 170344845), (5, 136275876), (6, 113563230), (9, 75708820), (10, 68137938), (11, 61943580), (12, 56781615), (15, 45425292), (17, 40081140), (18, 37854410), (20, 34068969), (22, 30971790), (30, 22712646), (31, 21979980), (33, 20647860), (34, 20040570), (36, 18927205), (44, 15485895), (45, 15141764), (51, 13360380), (55, 12388716), (60, 11356323), (62, 10989990), (66, 10323930), (68, 10020285), (85, 8016228), (90, 7570882), (93, 7326660), (99, 6882620), (102, 6680190), (110, 6194358), (124, 5494995), (132, 5161965), (153, 4453460), (155, 4395996), (165, 4129572), (170, 4008114), (180, 3785441), (186, 3663330), (187, 3643740), (198, 3441310), (204, 3340095), (220, 3097179), (255, 2672076), (279, 2442220), (306, 2226730), (310, 2197998), (330, 2064786), (340, 2004057), (341, 1998180), (372, 1831665), (374, 1821870), (396, 1720655), (465, 1465332), (495, 1376524), (510, 1336038), (527, 1292940), (558, 1221110), (561, 1214580), (612, 1113365), (620, 1098999), (653, 1043460), (660, 1032393), (682, 999090), (748, 910935), (765, 890692), (930, 732666), (935, 728748), (990, 688262), (1020, 668019), (1023, 666060), (1054, 646470), (1116, 610555), (1122, 607290), (1306, 521730), (1364, 499545), (1395, 488444), (1530, 445346), (1581, 430980), (1683, 404860), (1705, 399636), (1860, 366333), (1870, 364374), (1959, 347820), (1980, 344131), (2046, 333030), (2108, 323235), (2244, 303645), (2612, 260865), (2635, 258588), (2790, 244222), (2805, 242916), (3060, 222673), (3069, 222020), (3162, 215490), (3265, 208692), (3366, 202430), (3410, 199818), (3740, 182187), (3918, 173910), (4092, 166515), (4743, 143660), (5115, 133212), (5270, 129294), (5580, 122111), (5610, 121458), (5797, 117540), (5877, 115940), (6138, 111010), (6324, 107745), (6530, 104346), (6732, 101215), (6820, 99909), (7183, 94860), (7836, 86955), (7905, 86196), (8415, 80972), (9486, 71830), (9795, 69564), (10230, 66606), (10540, 64647), (11101, 61380), (11220, 60729), (11594, 58770), (11754, 57970), (12276, 55505), (13060, 52173), (14366, 47430), (15345, 44404), (15810, 43098), (16830, 40486), (17391, 39180), (18972, 35915), (19590, 34782), (20243, 33660), (20460, 33303), (21549, 31620), (22202, 30690), (23188, 29385), (23508, 28985), (23715, 28732)]