123854920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 346521600

約数和(自身を除く): 222666680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 751, 760, 868, 1064, 1085, 1178, 1240, 1330, 1502, 1736, 2170, 2356, 2660, 2945, 3004, 3755, 4123, 4340, 4712, 5257, 5320, 5890, 6008, 7510, 8246, 8680, 10514, 11780, 14269, 15020, 16492, 20615, 21028, 23281, 23560, 26285, 28538, 30040, 32984, 41230, 42056, 46562, 52570, 57076, 71345, 82460, 93124, 99883, 105140, 114152, 116405, 142690, 162967, 164920, 186248, 199766, 210280, 232810, 285380, 325934, 399532, 442339, 465620, 499415, 570760, 651868, 799064, 814835, 884678, 931240, 998830, 1303736, 1629670, 1769356, 1997660, 2211695, 3096373, 3259340, 3538712, 3995320, 4423390, 6192746, 6518680, 8846780, 12385492, 15481865, 17693560, 24770984, 30963730, 61927460, 123854920]

約数ペア:

[(1, 123854920), (2, 61927460), (4, 30963730), (5, 24770984), (7, 17693560), (8, 15481865), (10, 12385492), (14, 8846780), (19, 6518680), (20, 6192746), (28, 4423390), (31, 3995320), (35, 3538712), (38, 3259340), (40, 3096373), (56, 2211695), (62, 1997660), (70, 1769356), (76, 1629670), (95, 1303736), (124, 998830), (133, 931240), (140, 884678), (152, 814835), (155, 799064), (190, 651868), (217, 570760), (248, 499415), (266, 465620), (280, 442339), (310, 399532), (380, 325934), (434, 285380), (532, 232810), (589, 210280), (620, 199766), (665, 186248), (751, 164920), (760, 162967), (868, 142690), (1064, 116405), (1085, 114152), (1178, 105140), (1240, 99883), (1330, 93124), (1502, 82460), (1736, 71345), (2170, 57076), (2356, 52570), (2660, 46562), (2945, 42056), (3004, 41230), (3755, 32984), (4123, 30040), (4340, 28538), (4712, 26285), (5257, 23560), (5320, 23281), (5890, 21028), (6008, 20615), (7510, 16492), (8246, 15020), (8680, 14269), (10514, 11780)]