8449740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 28986048

約数和(自身を除く): 20536308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 157, 180, 195, 207, 230, 234, 260, 276, 299, 314, 345, 390, 414, 460, 468, 471, 585, 598, 628, 690, 780, 785, 828, 897, 942, 1035, 1170, 1196, 1380, 1413, 1495, 1570, 1794, 1884, 2041, 2070, 2340, 2355, 2691, 2826, 2990, 3140, 3588, 3611, 4082, 4140, 4485, 4710, 5382, 5652, 5980, 6123, 7065, 7222, 8164, 8970, 9420, 10205, 10764, 10833, 12246, 13455, 14130, 14444, 17940, 18055, 18369, 20410, 21666, 24492, 26910, 28260, 30615, 32499, 36110, 36738, 40820, 43332, 46943, 53820, 54165, 61230, 64998, 72220, 73476, 91845, 93886, 108330, 122460, 129996, 140829, 162495, 183690, 187772, 216660, 234715, 281658, 324990, 367380, 422487, 469430, 563316, 649980, 704145, 844974, 938860, 1408290, 1689948, 2112435, 2816580, 4224870, 8449740]

約数ペア:

[(1, 8449740), (2, 4224870), (3, 2816580), (4, 2112435), (5, 1689948), (6, 1408290), (9, 938860), (10, 844974), (12, 704145), (13, 649980), (15, 563316), (18, 469430), (20, 422487), (23, 367380), (26, 324990), (30, 281658), (36, 234715), (39, 216660), (45, 187772), (46, 183690), (52, 162495), (60, 140829), (65, 129996), (69, 122460), (78, 108330), (90, 93886), (92, 91845), (115, 73476), (117, 72220), (130, 64998), (138, 61230), (156, 54165), (157, 53820), (180, 46943), (195, 43332), (207, 40820), (230, 36738), (234, 36110), (260, 32499), (276, 30615), (299, 28260), (314, 26910), (345, 24492), (390, 21666), (414, 20410), (460, 18369), (468, 18055), (471, 17940), (585, 14444), (598, 14130), (628, 13455), (690, 12246), (780, 10833), (785, 10764), (828, 10205), (897, 9420), (942, 8970), (1035, 8164), (1170, 7222), (1196, 7065), (1380, 6123), (1413, 5980), (1495, 5652), (1570, 5382), (1794, 4710), (1884, 4485), (2041, 4140), (2070, 4082), (2340, 3611), (2355, 3588), (2691, 3140), (2826, 2990)]