152778640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1831}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 408902400

約数和(自身を除く): 256123760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 1043, 1192, 1490, 1831, 2086, 2384, 2980, 3662, 4172, 5215, 5960, 7324, 8344, 9155, 10430, 11920, 12817, 14648, 16688, 18310, 20860, 25634, 29296, 36620, 41720, 51268, 64085, 73240, 83440, 102536, 128170, 146480, 205072, 256340, 272819, 512680, 545638, 1025360, 1091276, 1364095, 1909733, 2182552, 2728190, 3819466, 4365104, 5456380, 7638932, 9548665, 10912760, 15277864, 19097330, 21825520, 30555728, 38194660, 76389320, 152778640]

約数ペア:

[(1, 152778640), (2, 76389320), (4, 38194660), (5, 30555728), (7, 21825520), (8, 19097330), (10, 15277864), (14, 10912760), (16, 9548665), (20, 7638932), (28, 5456380), (35, 4365104), (40, 3819466), (56, 2728190), (70, 2182552), (80, 1909733), (112, 1364095), (140, 1091276), (149, 1025360), (280, 545638), (298, 512680), (560, 272819), (596, 256340), (745, 205072), (1043, 146480), (1192, 128170), (1490, 102536), (1831, 83440), (2086, 73240), (2384, 64085), (2980, 51268), (3662, 41720), (4172, 36620), (5215, 29296), (5960, 25634), (7324, 20860), (8344, 18310), (9155, 16688), (10430, 14648), (11920, 12817)]