38627680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 114624720

約数和(自身を除く): 75997040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 379, 392, 416, 455, 490, 520, 560, 637, 728, 758, 784, 910, 980, 1040, 1120, 1274, 1456, 1516, 1568, 1820, 1895, 1960, 2080, 2548, 2653, 2912, 3032, 3185, 3640, 3790, 3920, 4927, 5096, 5306, 6064, 6370, 7280, 7580, 7840, 9854, 10192, 10612, 12128, 12740, 13265, 14560, 15160, 18571, 19708, 20384, 21224, 24635, 25480, 26530, 30320, 34489, 37142, 39416, 42448, 49270, 50960, 53060, 60640, 68978, 74284, 78832, 84896, 92855, 98540, 101920, 106120, 137956, 148568, 157664, 172445, 185710, 197080, 212240, 241423, 275912, 297136, 344890, 371420, 394160, 424480, 482846, 551824, 594272, 689780, 742840, 788320, 965692, 1103648, 1207115, 1379560, 1485680, 1931384, 2414230, 2759120, 2971360, 3862768, 4828460, 5518240, 7725536, 9656920, 19313840, 38627680]

約数ペア:

[(1, 38627680), (2, 19313840), (4, 9656920), (5, 7725536), (7, 5518240), (8, 4828460), (10, 3862768), (13, 2971360), (14, 2759120), (16, 2414230), (20, 1931384), (26, 1485680), (28, 1379560), (32, 1207115), (35, 1103648), (40, 965692), (49, 788320), (52, 742840), (56, 689780), (65, 594272), (70, 551824), (80, 482846), (91, 424480), (98, 394160), (104, 371420), (112, 344890), (130, 297136), (140, 275912), (160, 241423), (182, 212240), (196, 197080), (208, 185710), (224, 172445), (245, 157664), (260, 148568), (280, 137956), (364, 106120), (379, 101920), (392, 98540), (416, 92855), (455, 84896), (490, 78832), (520, 74284), (560, 68978), (637, 60640), (728, 53060), (758, 50960), (784, 49270), (910, 42448), (980, 39416), (1040, 37142), (1120, 34489), (1274, 30320), (1456, 26530), (1516, 25480), (1568, 24635), (1820, 21224), (1895, 20384), (1960, 19708), (2080, 18571), (2548, 15160), (2653, 14560), (2912, 13265), (3032, 12740), (3185, 12128), (3640, 10612), (3790, 10192), (3920, 9854), (4927, 7840), (5096, 7580), (5306, 7280), (6064, 6370)]