123483640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 325694880

約数和(自身を除く): 202211240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 157, 212, 265, 280, 314, 371, 424, 530, 628, 742, 785, 1060, 1099, 1256, 1484, 1570, 1855, 2120, 2198, 2809, 2968, 3140, 3710, 4396, 5495, 5618, 6280, 7420, 8321, 8792, 10990, 11236, 14045, 14840, 16642, 19663, 21980, 22472, 28090, 33284, 39326, 41605, 43960, 56180, 58247, 66568, 78652, 83210, 98315, 112360, 116494, 157304, 166420, 196630, 232988, 291235, 332840, 393260, 441013, 465976, 582470, 786520, 882026, 1164940, 1764052, 2205065, 2329880, 3087091, 3528104, 4410130, 6174182, 8820260, 12348364, 15435455, 17640520, 24696728, 30870910, 61741820, 123483640]

約数ペア:

[(1, 123483640), (2, 61741820), (4, 30870910), (5, 24696728), (7, 17640520), (8, 15435455), (10, 12348364), (14, 8820260), (20, 6174182), (28, 4410130), (35, 3528104), (40, 3087091), (53, 2329880), (56, 2205065), (70, 1764052), (106, 1164940), (140, 882026), (157, 786520), (212, 582470), (265, 465976), (280, 441013), (314, 393260), (371, 332840), (424, 291235), (530, 232988), (628, 196630), (742, 166420), (785, 157304), (1060, 116494), (1099, 112360), (1256, 98315), (1484, 83210), (1570, 78652), (1855, 66568), (2120, 58247), (2198, 56180), (2809, 43960), (2968, 41605), (3140, 39326), (3710, 33284), (4396, 28090), (5495, 22472), (5618, 21980), (6280, 19663), (7420, 16642), (8321, 14840), (8792, 14045), (10990, 11236)]