281363280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:765

約数の個数: 160

約数和(自身を含む): 958117248

約数和(自身を除く): 676753968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 197, 220, 240, 264, 330, 394, 440, 528, 541, 591, 660, 788, 880, 985, 1082, 1182, 1320, 1576, 1623, 1970, 2164, 2167, 2364, 2640, 2705, 2955, 3152, 3246, 3940, 4328, 4334, 4728, 5410, 5910, 5951, 6492, 6501, 7880, 8115, 8656, 8668, 9456, 10820, 10835, 11820, 11902, 12984, 13002, 15760, 16230, 17336, 17853, 21640, 21670, 23640, 23804, 25968, 26004, 29755, 32460, 32505, 34672, 35706, 43280, 43340, 47280, 47608, 52008, 59510, 64920, 65010, 71412, 86680, 89265, 95216, 104016, 106577, 119020, 129840, 130020, 142824, 173360, 178530, 213154, 238040, 260040, 285648, 319731, 357060, 426308, 476080, 520080, 532885, 639462, 714120, 852616, 1065770, 1172347, 1278924, 1428240, 1598655, 1705232, 2131540, 2344694, 2557848, 3197310, 3517041, 4263080, 4689388, 5115696, 5861735, 6394620, 7034082, 8526160, 9378776, 11723470, 12789240, 14068164, 17585205, 18757552, 23446940, 25578480, 28136328, 35170410, 46893880, 56272656, 70340820, 93787760, 140681640, 281363280]

約数ペア:

[(1, 281363280), (2, 140681640), (3, 93787760), (4, 70340820), (5, 56272656), (6, 46893880), (8, 35170410), (10, 28136328), (11, 25578480), (12, 23446940), (15, 18757552), (16, 17585205), (20, 14068164), (22, 12789240), (24, 11723470), (30, 9378776), (33, 8526160), (40, 7034082), (44, 6394620), (48, 5861735), (55, 5115696), (60, 4689388), (66, 4263080), (80, 3517041), (88, 3197310), (110, 2557848), (120, 2344694), (132, 2131540), (165, 1705232), (176, 1598655), (197, 1428240), (220, 1278924), (240, 1172347), (264, 1065770), (330, 852616), (394, 714120), (440, 639462), (528, 532885), (541, 520080), (591, 476080), (660, 426308), (788, 357060), (880, 319731), (985, 285648), (1082, 260040), (1182, 238040), (1320, 213154), (1576, 178530), (1623, 173360), (1970, 142824), (2164, 130020), (2167, 129840), (2364, 119020), (2640, 106577), (2705, 104016), (2955, 95216), (3152, 89265), (3246, 86680), (3940, 71412), (4328, 65010), (4334, 64920), (4728, 59510), (5410, 52008), (5910, 47608), (5951, 47280), (6492, 43340), (6501, 43280), (7880, 35706), (8115, 34672), (8656, 32505), (8668, 32460), (9456, 29755), (10820, 26004), (10835, 25968), (11820, 23804), (11902, 23640), (12984, 21670), (13002, 21640), (15760, 17853), (16230, 17336)]