15810990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 41513472

約数和(自身を除く): 25702482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 571, 710, 923, 1065, 1142, 1713, 1846, 2130, 2769, 2855, 3426, 4615, 5538, 5710, 7423, 8565, 9230, 13845, 14846, 17130, 22269, 27690, 37115, 40541, 44538, 74230, 81082, 111345, 121623, 202705, 222690, 243246, 405410, 527033, 608115, 1054066, 1216230, 1581099, 2635165, 3162198, 5270330, 7905495, 15810990]

約数ペア:

[(1, 15810990), (2, 7905495), (3, 5270330), (5, 3162198), (6, 2635165), (10, 1581099), (13, 1216230), (15, 1054066), (26, 608115), (30, 527033), (39, 405410), (65, 243246), (71, 222690), (78, 202705), (130, 121623), (142, 111345), (195, 81082), (213, 74230), (355, 44538), (390, 40541), (426, 37115), (571, 27690), (710, 22269), (923, 17130), (1065, 14846), (1142, 13845), (1713, 9230), (1846, 8565), (2130, 7423), (2769, 5710), (2855, 5538), (3426, 4615)]