78821460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 253693440

約数和(自身を除く): 174871980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 79, 90, 92, 115, 138, 158, 180, 207, 230, 237, 241, 276, 316, 345, 395, 414, 460, 474, 482, 690, 711, 723, 790, 828, 948, 964, 1035, 1185, 1205, 1380, 1422, 1446, 1580, 1817, 2070, 2169, 2370, 2410, 2844, 2892, 3555, 3615, 3634, 4140, 4338, 4740, 4820, 5451, 5543, 7110, 7230, 7268, 8676, 9085, 10845, 10902, 11086, 14220, 14460, 16353, 16629, 18170, 19039, 21690, 21804, 22172, 27255, 27715, 32706, 33258, 36340, 38078, 43380, 49887, 54510, 55430, 57117, 65412, 66516, 76156, 81765, 83145, 95195, 99774, 109020, 110860, 114234, 163530, 166290, 171351, 190390, 199548, 228468, 249435, 285585, 327060, 332580, 342702, 380780, 437897, 498870, 571170, 685404, 856755, 875794, 997740, 1142340, 1313691, 1713510, 1751588, 2189485, 2627382, 3427020, 3941073, 4378970, 5254764, 6568455, 7882146, 8757940, 13136910, 15764292, 19705365, 26273820, 39410730, 78821460]

約数ペア:

[(1, 78821460), (2, 39410730), (3, 26273820), (4, 19705365), (5, 15764292), (6, 13136910), (9, 8757940), (10, 7882146), (12, 6568455), (15, 5254764), (18, 4378970), (20, 3941073), (23, 3427020), (30, 2627382), (36, 2189485), (45, 1751588), (46, 1713510), (60, 1313691), (69, 1142340), (79, 997740), (90, 875794), (92, 856755), (115, 685404), (138, 571170), (158, 498870), (180, 437897), (207, 380780), (230, 342702), (237, 332580), (241, 327060), (276, 285585), (316, 249435), (345, 228468), (395, 199548), (414, 190390), (460, 171351), (474, 166290), (482, 163530), (690, 114234), (711, 110860), (723, 109020), (790, 99774), (828, 95195), (948, 83145), (964, 81765), (1035, 76156), (1185, 66516), (1205, 65412), (1380, 57117), (1422, 55430), (1446, 54510), (1580, 49887), (1817, 43380), (2070, 38078), (2169, 36340), (2370, 33258), (2410, 32706), (2844, 27715), (2892, 27255), (3555, 22172), (3615, 21804), (3634, 21690), (4140, 19039), (4338, 18170), (4740, 16629), (4820, 16353), (5451, 14460), (5543, 14220), (7110, 11086), (7230, 10902), (7268, 10845), (8676, 9085)]