378924160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 951782400

約数和(自身を除く): 572858240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 269, 284, 310, 320, 355, 496, 538, 568, 620, 640, 710, 992, 1076, 1136, 1240, 1345, 1420, 1984, 2152, 2201, 2272, 2480, 2690, 2840, 3968, 4304, 4402, 4544, 4960, 5380, 5680, 8339, 8608, 8804, 9088, 9920, 10760, 11005, 11360, 16678, 17216, 17608, 19099, 19840, 21520, 22010, 22720, 33356, 34432, 35216, 38198, 41695, 43040, 44020, 45440, 66712, 70432, 76396, 83390, 86080, 88040, 95495, 133424, 140864, 152792, 166780, 172160, 176080, 190990, 266848, 281728, 305584, 333560, 352160, 381980, 533696, 592069, 611168, 667120, 704320, 763960, 1067392, 1184138, 1222336, 1334240, 1408640, 1527920, 2368276, 2444672, 2668480, 2960345, 3055840, 4736552, 5336960, 5920690, 6111680, 9473104, 11841380, 12223360, 18946208, 23682760, 37892416, 47365520, 75784832, 94731040, 189462080, 378924160]

約数ペア:

[(1, 378924160), (2, 189462080), (4, 94731040), (5, 75784832), (8, 47365520), (10, 37892416), (16, 23682760), (20, 18946208), (31, 12223360), (32, 11841380), (40, 9473104), (62, 6111680), (64, 5920690), (71, 5336960), (80, 4736552), (124, 3055840), (128, 2960345), (142, 2668480), (155, 2444672), (160, 2368276), (248, 1527920), (269, 1408640), (284, 1334240), (310, 1222336), (320, 1184138), (355, 1067392), (496, 763960), (538, 704320), (568, 667120), (620, 611168), (640, 592069), (710, 533696), (992, 381980), (1076, 352160), (1136, 333560), (1240, 305584), (1345, 281728), (1420, 266848), (1984, 190990), (2152, 176080), (2201, 172160), (2272, 166780), (2480, 152792), (2690, 140864), (2840, 133424), (3968, 95495), (4304, 88040), (4402, 86080), (4544, 83390), (4960, 76396), (5380, 70432), (5680, 66712), (8339, 45440), (8608, 44020), (8804, 43040), (9088, 41695), (9920, 38198), (10760, 35216), (11005, 34432), (11360, 33356), (16678, 22720), (17216, 22010), (17608, 21520), (19099, 19840)]