1281822840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{62467}}^1$

素因数の和:62506

約数の個数: 128

約数和(自身を含む): 4497696000

約数和(自身を除く): 3215873160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 62467, 124934, 187401, 249868, 312335, 374802, 499736, 562203, 624670, 749604, 937005, 1124406, 1186873, 1249340, 1499208, 1686609, 1874010, 2248812, 2373746, 2498680, 2811015, 3373218, 3560619, 3748020, 4497624, 4747492, 5622030, 5934365, 6746436, 7121238, 7496040, 8433045, 9494984, 10681857, 11244060, 11868730, 13492872, 14242476, 16866090, 17803095, 21363714, 22488120, 23737460, 28484952, 32045571, 33732180, 35606190, 42727428, 47474920, 53409285, 64091142, 67464360, 71212380, 85454856, 106818570, 128182284, 142424760, 160227855, 213637140, 256364568, 320455710, 427274280, 640911420, 1281822840]

約数ペア:

[(1, 1281822840), (2, 640911420), (3, 427274280), (4, 320455710), (5, 256364568), (6, 213637140), (8, 160227855), (9, 142424760), (10, 128182284), (12, 106818570), (15, 85454856), (18, 71212380), (19, 67464360), (20, 64091142), (24, 53409285), (27, 47474920), (30, 42727428), (36, 35606190), (38, 33732180), (40, 32045571), (45, 28484952), (54, 23737460), (57, 22488120), (60, 21363714), (72, 17803095), (76, 16866090), (90, 14242476), (95, 13492872), (108, 11868730), (114, 11244060), (120, 10681857), (135, 9494984), (152, 8433045), (171, 7496040), (180, 7121238), (190, 6746436), (216, 5934365), (228, 5622030), (270, 4747492), (285, 4497624), (342, 3748020), (360, 3560619), (380, 3373218), (456, 2811015), (513, 2498680), (540, 2373746), (570, 2248812), (684, 1874010), (760, 1686609), (855, 1499208), (1026, 1249340), (1080, 1186873), (1140, 1124406), (1368, 937005), (1710, 749604), (2052, 624670), (2280, 562203), (2565, 499736), (3420, 374802), (4104, 312335), (5130, 249868), (6840, 187401), (10260, 124934), (20520, 62467)]