28018077440

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{13037}}^1$

素因数の和:13154

約数の個数: 144

約数和(自身を含む): 70994726208

約数和(自身を除く): 42976648768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 73, 80, 92, 115, 128, 146, 160, 184, 230, 256, 292, 320, 365, 368, 460, 584, 640, 730, 736, 920, 1168, 1280, 1460, 1472, 1679, 1840, 2336, 2920, 2944, 3358, 3680, 4672, 5840, 5888, 6716, 7360, 8395, 9344, 11680, 13037, 13432, 14720, 16790, 18688, 23360, 26074, 26864, 29440, 33580, 46720, 52148, 53728, 65185, 67160, 93440, 104296, 107456, 130370, 134320, 208592, 214912, 260740, 268640, 299851, 417184, 429824, 521480, 537280, 599702, 834368, 951701, 1042960, 1074560, 1199404, 1499255, 1668736, 1903402, 2085920, 2149120, 2398808, 2998510, 3337472, 3806804, 4171840, 4758505, 4797616, 5997020, 7613608, 8343680, 9517010, 9595232, 11994040, 15227216, 16687360, 19034020, 19190464, 21889123, 23988080, 30454432, 38068040, 38380928, 43778246, 47976160, 60908864, 76136080, 76761856, 87556492, 95952320, 109445615, 121817728, 152272160, 175112984, 191904640, 218891230, 243635456, 304544320, 350225968, 383809280, 437782460, 609088640, 700451936, 875564920, 1218177280, 1400903872, 1751129840, 2801807744, 3502259680, 5603615488, 7004519360, 14009038720, 28018077440]

約数ペア:

[(1, 28018077440), (2, 14009038720), (4, 7004519360), (5, 5603615488), (8, 3502259680), (10, 2801807744), (16, 1751129840), (20, 1400903872), (23, 1218177280), (32, 875564920), (40, 700451936), (46, 609088640), (64, 437782460), (73, 383809280), (80, 350225968), (92, 304544320), (115, 243635456), (128, 218891230), (146, 191904640), (160, 175112984), (184, 152272160), (230, 121817728), (256, 109445615), (292, 95952320), (320, 87556492), (365, 76761856), (368, 76136080), (460, 60908864), (584, 47976160), (640, 43778246), (730, 38380928), (736, 38068040), (920, 30454432), (1168, 23988080), (1280, 21889123), (1460, 19190464), (1472, 19034020), (1679, 16687360), (1840, 15227216), (2336, 11994040), (2920, 9595232), (2944, 9517010), (3358, 8343680), (3680, 7613608), (4672, 5997020), (5840, 4797616), (5888, 4758505), (6716, 4171840), (7360, 3806804), (8395, 3337472), (9344, 2998510), (11680, 2398808), (13037, 2149120), (13432, 2085920), (14720, 1903402), (16790, 1668736), (18688, 1499255), (23360, 1199404), (26074, 1074560), (26864, 1042960), (29440, 951701), (33580, 834368), (46720, 599702), (52148, 537280), (53728, 521480), (65185, 429824), (67160, 417184), (93440, 299851), (104296, 268640), (107456, 260740), (130370, 214912), (134320, 208592)]