180913860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 580245120

約数和(自身を除く): 399331260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 89, 90, 92, 115, 138, 178, 180, 207, 230, 267, 276, 345, 356, 414, 445, 460, 491, 534, 690, 801, 828, 890, 982, 1035, 1068, 1335, 1380, 1473, 1602, 1780, 1964, 2047, 2070, 2455, 2670, 2946, 3204, 4005, 4094, 4140, 4419, 4910, 5340, 5892, 6141, 7365, 8010, 8188, 8838, 9820, 10235, 11293, 12282, 14730, 16020, 17676, 18423, 20470, 22095, 22586, 24564, 29460, 30705, 33879, 36846, 40940, 43699, 44190, 45172, 56465, 61410, 67758, 73692, 87398, 88380, 92115, 101637, 112930, 122820, 131097, 135516, 169395, 174796, 184230, 203274, 218495, 225860, 262194, 338790, 368460, 393291, 406548, 436990, 508185, 524388, 655485, 677580, 786582, 873980, 1005077, 1016370, 1310970, 1573164, 1966455, 2010154, 2032740, 2621940, 3015231, 3932910, 4020308, 5025385, 6030462, 7865820, 9045693, 10050770, 12060924, 15076155, 18091386, 20101540, 30152310, 36182772, 45228465, 60304620, 90456930, 180913860]

約数ペア:

[(1, 180913860), (2, 90456930), (3, 60304620), (4, 45228465), (5, 36182772), (6, 30152310), (9, 20101540), (10, 18091386), (12, 15076155), (15, 12060924), (18, 10050770), (20, 9045693), (23, 7865820), (30, 6030462), (36, 5025385), (45, 4020308), (46, 3932910), (60, 3015231), (69, 2621940), (89, 2032740), (90, 2010154), (92, 1966455), (115, 1573164), (138, 1310970), (178, 1016370), (180, 1005077), (207, 873980), (230, 786582), (267, 677580), (276, 655485), (345, 524388), (356, 508185), (414, 436990), (445, 406548), (460, 393291), (491, 368460), (534, 338790), (690, 262194), (801, 225860), (828, 218495), (890, 203274), (982, 184230), (1035, 174796), (1068, 169395), (1335, 135516), (1380, 131097), (1473, 122820), (1602, 112930), (1780, 101637), (1964, 92115), (2047, 88380), (2070, 87398), (2455, 73692), (2670, 67758), (2946, 61410), (3204, 56465), (4005, 45172), (4094, 44190), (4140, 43699), (4419, 40940), (4910, 36846), (5340, 33879), (5892, 30705), (6141, 29460), (7365, 24564), (8010, 22586), (8188, 22095), (8838, 20470), (9820, 18423), (10235, 17676), (11293, 16020), (12282, 14730)]