1998390420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12377}}^1$

素因数の和:12431

約数の個数: 192

約数和(自身を含む): 6987133440

約数和(自身を除く): 4988743020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 90, 92, 108, 115, 117, 130, 135, 138, 156, 180, 195, 207, 230, 234, 260, 270, 276, 299, 345, 351, 390, 414, 460, 468, 540, 585, 598, 621, 690, 702, 780, 828, 897, 1035, 1170, 1196, 1242, 1380, 1404, 1495, 1755, 1794, 2070, 2340, 2484, 2691, 2990, 3105, 3510, 3588, 4140, 4485, 5382, 5980, 6210, 7020, 8073, 8970, 10764, 12377, 12420, 13455, 16146, 17940, 24754, 26910, 32292, 37131, 40365, 49508, 53820, 61885, 74262, 80730, 111393, 123770, 148524, 160901, 161460, 185655, 222786, 247540, 284671, 321802, 334179, 371310, 445572, 482703, 556965, 569342, 643604, 668358, 742620, 804505, 854013, 965406, 1113930, 1138684, 1336716, 1423355, 1448109, 1609010, 1670895, 1708026, 1930812, 2227860, 2413515, 2562039, 2846710, 2896218, 3218020, 3341790, 3416052, 3700723, 4270065, 4344327, 4827030, 5124078, 5693420, 5792436, 6683580, 7240545, 7401446, 7686117, 8540130, 8688654, 9654060, 10248156, 11102169, 12810195, 14481090, 14802892, 15372234, 17080260, 17377308, 18503615, 21721635, 22204338, 25620390, 28962180, 30744468, 33306507, 37007230, 38430585, 43443270, 44408676, 51240780, 55510845, 66613014, 74014460, 76861170, 86886540, 99919521, 111021690, 133226028, 153722340, 166532535, 199839042, 222043380, 333065070, 399678084, 499597605, 666130140, 999195210, 1998390420]

約数ペア:

[(1, 1998390420), (2, 999195210), (3, 666130140), (4, 499597605), (5, 399678084), (6, 333065070), (9, 222043380), (10, 199839042), (12, 166532535), (13, 153722340), (15, 133226028), (18, 111021690), (20, 99919521), (23, 86886540), (26, 76861170), (27, 74014460), (30, 66613014), (36, 55510845), (39, 51240780), (45, 44408676), (46, 43443270), (52, 38430585), (54, 37007230), (60, 33306507), (65, 30744468), (69, 28962180), (78, 25620390), (90, 22204338), (92, 21721635), (108, 18503615), (115, 17377308), (117, 17080260), (130, 15372234), (135, 14802892), (138, 14481090), (156, 12810195), (180, 11102169), (195, 10248156), (207, 9654060), (230, 8688654), (234, 8540130), (260, 7686117), (270, 7401446), (276, 7240545), (299, 6683580), (345, 5792436), (351, 5693420), (390, 5124078), (414, 4827030), (460, 4344327), (468, 4270065), (540, 3700723), (585, 3416052), (598, 3341790), (621, 3218020), (690, 2896218), (702, 2846710), (780, 2562039), (828, 2413515), (897, 2227860), (1035, 1930812), (1170, 1708026), (1196, 1670895), (1242, 1609010), (1380, 1448109), (1404, 1423355), (1495, 1336716), (1755, 1138684), (1794, 1113930), (2070, 965406), (2340, 854013), (2484, 804505), (2691, 742620), (2990, 668358), (3105, 643604), (3510, 569342), (3588, 556965), (4140, 482703), (4485, 445572), (5382, 371310), (5980, 334179), (6210, 321802), (7020, 284671), (8073, 247540), (8970, 222786), (10764, 185655), (12377, 161460), (12420, 160901), (13455, 148524), (16146, 123770), (17940, 111393), (24754, 80730), (26910, 74262), (32292, 61885), (37131, 53820), (40365, 49508)]