152781020

素因数分解:

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

素因数の和:208

約数の個数: 144

約数和(自身を含む): 397135872

約数和(自身を除く): 244354852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 49, 62, 70, 94, 98, 107, 124, 140, 155, 188, 196, 214, 217, 235, 245, 310, 329, 428, 434, 470, 490, 535, 620, 658, 749, 868, 940, 980, 1070, 1085, 1316, 1457, 1498, 1519, 1645, 2140, 2170, 2303, 2914, 2996, 3038, 3290, 3317, 3745, 4340, 4606, 5029, 5243, 5828, 6076, 6580, 6634, 7285, 7490, 7595, 9212, 10058, 10199, 10486, 11515, 13268, 14570, 14980, 15190, 16585, 20116, 20398, 20972, 23030, 23219, 25145, 26215, 29140, 30380, 33170, 35203, 40796, 46060, 46438, 50290, 50995, 52430, 66340, 70406, 71393, 92876, 100580, 101990, 104860, 116095, 140812, 142786, 155899, 162533, 176015, 203980, 232190, 246421, 285572, 311798, 325066, 352030, 356965, 464380, 492842, 623596, 650132, 704060, 713930, 779495, 812665, 985684, 1091293, 1232105, 1427860, 1558990, 1625330, 2182586, 2464210, 3117980, 3250660, 4365172, 4928420, 5456465, 7639051, 10912930, 15278102, 21825860, 30556204, 38195255, 76390510, 152781020]

約数ペア:

[(1, 152781020), (2, 76390510), (4, 38195255), (5, 30556204), (7, 21825860), (10, 15278102), (14, 10912930), (20, 7639051), (28, 5456465), (31, 4928420), (35, 4365172), (47, 3250660), (49, 3117980), (62, 2464210), (70, 2182586), (94, 1625330), (98, 1558990), (107, 1427860), (124, 1232105), (140, 1091293), (155, 985684), (188, 812665), (196, 779495), (214, 713930), (217, 704060), (235, 650132), (245, 623596), (310, 492842), (329, 464380), (428, 356965), (434, 352030), (470, 325066), (490, 311798), (535, 285572), (620, 246421), (658, 232190), (749, 203980), (868, 176015), (940, 162533), (980, 155899), (1070, 142786), (1085, 140812), (1316, 116095), (1457, 104860), (1498, 101990), (1519, 100580), (1645, 92876), (2140, 71393), (2170, 70406), (2303, 66340), (2914, 52430), (2996, 50995), (3038, 50290), (3290, 46438), (3317, 46060), (3745, 40796), (4340, 35203), (4606, 33170), (5029, 30380), (5243, 29140), (5828, 26215), (6076, 25145), (6580, 23219), (6634, 23030), (7285, 20972), (7490, 20398), (7595, 20116), (9212, 16585), (10058, 15190), (10199, 14980), (10486, 14570), (11515, 13268)]