647747160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{6343}}^1$

素因数の和:6417

約数の個数: 128

約数和(自身を含む): 2082862080

約数和(自身を除く): 1435114920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 888, 920, 1110, 1380, 1480, 1702, 2220, 2553, 2760, 3404, 4255, 4440, 5106, 6343, 6808, 8510, 10212, 12686, 12765, 17020, 19029, 20424, 25372, 25530, 31715, 34040, 38058, 50744, 51060, 63430, 76116, 95145, 102120, 126860, 145889, 152232, 190290, 234691, 253720, 291778, 380580, 437667, 469382, 583556, 704073, 729445, 761160, 875334, 938764, 1167112, 1173455, 1408146, 1458890, 1750668, 1877528, 2188335, 2346910, 2816292, 2917780, 3501336, 3520365, 4376670, 4693820, 5397893, 5632584, 5835560, 7040730, 8753340, 9387640, 10795786, 14081460, 16193679, 17506680, 21591572, 26989465, 28162920, 32387358, 43183144, 53978930, 64774716, 80968395, 107957860, 129549432, 161936790, 215915720, 323873580, 647747160]

約数ペア:

[(1, 647747160), (2, 323873580), (3, 215915720), (4, 161936790), (5, 129549432), (6, 107957860), (8, 80968395), (10, 64774716), (12, 53978930), (15, 43183144), (20, 32387358), (23, 28162920), (24, 26989465), (30, 21591572), (37, 17506680), (40, 16193679), (46, 14081460), (60, 10795786), (69, 9387640), (74, 8753340), (92, 7040730), (111, 5835560), (115, 5632584), (120, 5397893), (138, 4693820), (148, 4376670), (184, 3520365), (185, 3501336), (222, 2917780), (230, 2816292), (276, 2346910), (296, 2188335), (345, 1877528), (370, 1750668), (444, 1458890), (460, 1408146), (552, 1173455), (555, 1167112), (690, 938764), (740, 875334), (851, 761160), (888, 729445), (920, 704073), (1110, 583556), (1380, 469382), (1480, 437667), (1702, 380580), (2220, 291778), (2553, 253720), (2760, 234691), (3404, 190290), (4255, 152232), (4440, 145889), (5106, 126860), (6343, 102120), (6808, 95145), (8510, 76116), (10212, 63430), (12686, 51060), (12765, 50744), (17020, 38058), (19029, 34040), (20424, 31715), (25372, 25530)]