71272800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 216

約数和(自身を含む): 265061160

約数和(自身を除く): 193788360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 285, 288, 300, 304, 342, 360, 380, 400, 450, 456, 475, 480, 521, 570, 600, 608, 684, 720, 760, 800, 855, 900, 912, 950, 1042, 1140, 1200, 1368, 1425, 1440, 1520, 1563, 1710, 1800, 1824, 1900, 2084, 2280, 2400, 2605, 2736, 2850, 3040, 3126, 3420, 3600, 3800, 4168, 4275, 4560, 4689, 5210, 5472, 5700, 6252, 6840, 7200, 7600, 7815, 8336, 8550, 9120, 9378, 9899, 10420, 11400, 12504, 13025, 13680, 15200, 15630, 16672, 17100, 18756, 19798, 20840, 22800, 23445, 25008, 26050, 27360, 29697, 31260, 34200, 37512, 39075, 39596, 41680, 45600, 46890, 49495, 50016, 52100, 59394, 62520, 68400, 75024, 78150, 79192, 83360, 89091, 93780, 98990, 104200, 117225, 118788, 125040, 136800, 148485, 150048, 156300, 158384, 178182, 187560, 197980, 208400, 234450, 237576, 247475, 250080, 296970, 312600, 316768, 356364, 375120, 395960, 416800, 445455, 468900, 475152, 494950, 593940, 625200, 712728, 742425, 750240, 791920, 890910, 937800, 950304, 989900, 1187880, 1250400, 1425456, 1484850, 1583840, 1781820, 1875600, 1979800, 2227275, 2375760, 2850912, 2969700, 3563640, 3751200, 3959600, 4454550, 4751520, 5939400, 7127280, 7919200, 8909100, 11878800, 14254560, 17818200, 23757600, 35636400, 71272800]

約数ペア:

[(1, 71272800), (2, 35636400), (3, 23757600), (4, 17818200), (5, 14254560), (6, 11878800), (8, 8909100), (9, 7919200), (10, 7127280), (12, 5939400), (15, 4751520), (16, 4454550), (18, 3959600), (19, 3751200), (20, 3563640), (24, 2969700), (25, 2850912), (30, 2375760), (32, 2227275), (36, 1979800), (38, 1875600), (40, 1781820), (45, 1583840), (48, 1484850), (50, 1425456), (57, 1250400), (60, 1187880), (72, 989900), (75, 950304), (76, 937800), (80, 890910), (90, 791920), (95, 750240), (96, 742425), (100, 712728), (114, 625200), (120, 593940), (144, 494950), (150, 475152), (152, 468900), (160, 445455), (171, 416800), (180, 395960), (190, 375120), (200, 356364), (225, 316768), (228, 312600), (240, 296970), (285, 250080), (288, 247475), (300, 237576), (304, 234450), (342, 208400), (360, 197980), (380, 187560), (400, 178182), (450, 158384), (456, 156300), (475, 150048), (480, 148485), (521, 136800), (570, 125040), (600, 118788), (608, 117225), (684, 104200), (720, 98990), (760, 93780), (800, 89091), (855, 83360), (900, 79192), (912, 78150), (950, 75024), (1042, 68400), (1140, 62520), (1200, 59394), (1368, 52100), (1425, 50016), (1440, 49495), (1520, 46890), (1563, 45600), (1710, 41680), (1800, 39596), (1824, 39075), (1900, 37512), (2084, 34200), (2280, 31260), (2400, 29697), (2605, 27360), (2736, 26050), (2850, 25008), (3040, 23445), (3126, 22800), (3420, 20840), (3600, 19798), (3800, 18756), (4168, 17100), (4275, 16672), (4560, 15630), (4689, 15200), (5210, 13680), (5472, 13025), (5700, 12504), (6252, 11400), (6840, 10420), (7200, 9899), (7600, 9378), (7815, 9120), (8336, 8550)]