64145520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 200

約数和(自身を含む): 234962640

約数和(自身を除く): 170817120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 513, 521, 540, 570, 648, 684, 720, 760, 810, 855, 912, 1026, 1042, 1080, 1140, 1296, 1368, 1520, 1539, 1563, 1620, 1710, 2052, 2084, 2160, 2280, 2565, 2605, 2736, 3078, 3126, 3240, 3420, 4104, 4168, 4560, 4689, 5130, 5210, 6156, 6252, 6480, 6840, 7695, 7815, 8208, 8336, 9378, 9899, 10260, 10420, 12312, 12504, 13680, 14067, 15390, 15630, 18756, 19798, 20520, 20840, 23445, 24624, 25008, 28134, 29697, 30780, 31260, 37512, 39596, 41040, 41680, 42201, 46890, 49495, 56268, 59394, 61560, 62520, 70335, 75024, 79192, 84402, 89091, 93780, 98990, 112536, 118788, 123120, 125040, 140670, 148485, 158384, 168804, 178182, 187560, 197980, 211005, 225072, 237576, 267273, 281340, 296970, 337608, 356364, 375120, 395960, 422010, 445455, 475152, 534546, 562680, 593940, 675216, 712728, 791920, 801819, 844020, 890910, 1069092, 1125360, 1187880, 1336365, 1425456, 1603638, 1688040, 1781820, 2138184, 2375760, 2672730, 3207276, 3376080, 3563640, 4009095, 4276368, 5345460, 6414552, 7127280, 8018190, 10690920, 12829104, 16036380, 21381840, 32072760, 64145520]

約数ペア:

[(1, 64145520), (2, 32072760), (3, 21381840), (4, 16036380), (5, 12829104), (6, 10690920), (8, 8018190), (9, 7127280), (10, 6414552), (12, 5345460), (15, 4276368), (16, 4009095), (18, 3563640), (19, 3376080), (20, 3207276), (24, 2672730), (27, 2375760), (30, 2138184), (36, 1781820), (38, 1688040), (40, 1603638), (45, 1425456), (48, 1336365), (54, 1187880), (57, 1125360), (60, 1069092), (72, 890910), (76, 844020), (80, 801819), (81, 791920), (90, 712728), (95, 675216), (108, 593940), (114, 562680), (120, 534546), (135, 475152), (144, 445455), (152, 422010), (162, 395960), (171, 375120), (180, 356364), (190, 337608), (216, 296970), (228, 281340), (240, 267273), (270, 237576), (285, 225072), (304, 211005), (324, 197980), (342, 187560), (360, 178182), (380, 168804), (405, 158384), (432, 148485), (456, 140670), (513, 125040), (521, 123120), (540, 118788), (570, 112536), (648, 98990), (684, 93780), (720, 89091), (760, 84402), (810, 79192), (855, 75024), (912, 70335), (1026, 62520), (1042, 61560), (1080, 59394), (1140, 56268), (1296, 49495), (1368, 46890), (1520, 42201), (1539, 41680), (1563, 41040), (1620, 39596), (1710, 37512), (2052, 31260), (2084, 30780), (2160, 29697), (2280, 28134), (2565, 25008), (2605, 24624), (2736, 23445), (3078, 20840), (3126, 20520), (3240, 19798), (3420, 18756), (4104, 15630), (4168, 15390), (4560, 14067), (4689, 13680), (5130, 12504), (5210, 12312), (6156, 10420), (6252, 10260), (6480, 9899), (6840, 9378), (7695, 8336), (7815, 8208)]