23121540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 77693616

約数和(自身を除く): 54572076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 241, 246, 260, 369, 390, 410, 468, 482, 492, 533, 585, 615, 723, 738, 780, 820, 964, 1066, 1170, 1205, 1230, 1446, 1476, 1599, 1845, 2132, 2169, 2340, 2410, 2460, 2665, 2892, 3133, 3198, 3615, 3690, 4338, 4797, 4820, 5330, 6266, 6396, 7230, 7380, 7995, 8676, 9399, 9594, 9881, 10660, 10845, 12532, 14460, 15665, 15990, 18798, 19188, 19762, 21690, 23985, 28197, 29643, 31330, 31980, 37596, 39524, 43380, 46995, 47970, 49405, 56394, 59286, 62660, 88929, 93990, 95940, 98810, 112788, 118572, 128453, 140985, 148215, 177858, 187980, 197620, 256906, 281970, 296430, 355716, 385359, 444645, 513812, 563940, 592860, 642265, 770718, 889290, 1156077, 1284530, 1541436, 1778580, 1926795, 2312154, 2569060, 3853590, 4624308, 5780385, 7707180, 11560770, 23121540]

約数ペア:

[(1, 23121540), (2, 11560770), (3, 7707180), (4, 5780385), (5, 4624308), (6, 3853590), (9, 2569060), (10, 2312154), (12, 1926795), (13, 1778580), (15, 1541436), (18, 1284530), (20, 1156077), (26, 889290), (30, 770718), (36, 642265), (39, 592860), (41, 563940), (45, 513812), (52, 444645), (60, 385359), (65, 355716), (78, 296430), (82, 281970), (90, 256906), (117, 197620), (123, 187980), (130, 177858), (156, 148215), (164, 140985), (180, 128453), (195, 118572), (205, 112788), (234, 98810), (241, 95940), (246, 93990), (260, 88929), (369, 62660), (390, 59286), (410, 56394), (468, 49405), (482, 47970), (492, 46995), (533, 43380), (585, 39524), (615, 37596), (723, 31980), (738, 31330), (780, 29643), (820, 28197), (964, 23985), (1066, 21690), (1170, 19762), (1205, 19188), (1230, 18798), (1446, 15990), (1476, 15665), (1599, 14460), (1845, 12532), (2132, 10845), (2169, 10660), (2340, 9881), (2410, 9594), (2460, 9399), (2665, 8676), (2892, 7995), (3133, 7380), (3198, 7230), (3615, 6396), (3690, 6266), (4338, 5330), (4797, 4820)]