251260560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18367}}^1$

素因数の和:18405

約数の個数: 120

約数和(自身を含む): 888276480

約数和(自身を除く): 637015920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 18367, 36734, 55101, 73468, 91835, 110202, 146936, 165303, 183670, 220404, 275505, 293872, 330606, 348973, 367340, 440808, 551010, 661212, 697946, 734680, 826515, 881616, 1046919, 1102020, 1322424, 1395892, 1469360, 1653030, 1744865, 2093838, 2204040, 2644848, 2791784, 3140757, 3306060, 3489730, 4187676, 4408080, 5234595, 5583568, 6281514, 6612120, 6979460, 8375352, 10469190, 12563028, 13224240, 13958920, 15703785, 16750704, 20938380, 25126056, 27917840, 31407570, 41876760, 50252112, 62815140, 83753520, 125630280, 251260560]

約数ペア:

[(1, 251260560), (2, 125630280), (3, 83753520), (4, 62815140), (5, 50252112), (6, 41876760), (8, 31407570), (9, 27917840), (10, 25126056), (12, 20938380), (15, 16750704), (16, 15703785), (18, 13958920), (19, 13224240), (20, 12563028), (24, 10469190), (30, 8375352), (36, 6979460), (38, 6612120), (40, 6281514), (45, 5583568), (48, 5234595), (57, 4408080), (60, 4187676), (72, 3489730), (76, 3306060), (80, 3140757), (90, 2791784), (95, 2644848), (114, 2204040), (120, 2093838), (144, 1744865), (152, 1653030), (171, 1469360), (180, 1395892), (190, 1322424), (228, 1102020), (240, 1046919), (285, 881616), (304, 826515), (342, 734680), (360, 697946), (380, 661212), (456, 551010), (570, 440808), (684, 367340), (720, 348973), (760, 330606), (855, 293872), (912, 275505), (1140, 220404), (1368, 183670), (1520, 165303), (1710, 146936), (2280, 110202), (2736, 91835), (3420, 73468), (4560, 55101), (6840, 36734), (13680, 18367)]