156627640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 249797960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 83, 95, 104, 130, 152, 166, 190, 191, 247, 260, 332, 380, 382, 415, 494, 520, 664, 760, 764, 830, 955, 988, 1079, 1235, 1528, 1577, 1660, 1910, 1976, 2158, 2470, 2483, 3154, 3320, 3629, 3820, 4316, 4940, 4966, 5395, 6308, 7258, 7640, 7885, 8632, 9880, 9932, 10790, 12415, 12616, 14516, 15770, 15853, 18145, 19864, 20501, 21580, 24830, 29032, 31540, 31706, 36290, 41002, 43160, 47177, 49660, 63080, 63412, 72580, 79265, 82004, 94354, 99320, 102505, 126824, 145160, 158530, 164008, 188708, 205010, 206089, 235885, 301207, 317060, 377416, 410020, 412178, 471770, 602414, 634120, 820040, 824356, 943540, 1030445, 1204828, 1506035, 1648712, 1887080, 2060890, 2409656, 3012070, 3915691, 4121780, 6024140, 7831382, 8243560, 12048280, 15662764, 19578455, 31325528, 39156910, 78313820, 156627640]

約数ペア:

[(1, 156627640), (2, 78313820), (4, 39156910), (5, 31325528), (8, 19578455), (10, 15662764), (13, 12048280), (19, 8243560), (20, 7831382), (26, 6024140), (38, 4121780), (40, 3915691), (52, 3012070), (65, 2409656), (76, 2060890), (83, 1887080), (95, 1648712), (104, 1506035), (130, 1204828), (152, 1030445), (166, 943540), (190, 824356), (191, 820040), (247, 634120), (260, 602414), (332, 471770), (380, 412178), (382, 410020), (415, 377416), (494, 317060), (520, 301207), (664, 235885), (760, 206089), (764, 205010), (830, 188708), (955, 164008), (988, 158530), (1079, 145160), (1235, 126824), (1528, 102505), (1577, 99320), (1660, 94354), (1910, 82004), (1976, 79265), (2158, 72580), (2470, 63412), (2483, 63080), (3154, 49660), (3320, 47177), (3629, 43160), (3820, 41002), (4316, 36290), (4940, 31706), (4966, 31540), (5395, 29032), (6308, 24830), (7258, 21580), (7640, 20501), (7885, 19864), (8632, 18145), (9880, 15853), (9932, 15770), (10790, 14516), (12415, 12616)]