128607960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4339}}^1$

素因数の和:4385

約数の個数: 128

約数和(自身を含む): 437472000

約数和(自身を除く): 308864040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4339, 4940, 5928, 7410, 8678, 9880, 13017, 14820, 17356, 21695, 26034, 29640, 34712, 43390, 52068, 56407, 65085, 82441, 86780, 104136, 112814, 130170, 164882, 169221, 173560, 225628, 247323, 260340, 282035, 329764, 338442, 412205, 451256, 494646, 520680, 564070, 659528, 676884, 824410, 846105, 989292, 1071733, 1128140, 1236615, 1353768, 1648820, 1692210, 1978584, 2143466, 2256280, 2473230, 3215199, 3297640, 3384420, 4286932, 4946460, 5358665, 6430398, 6768840, 8573864, 9892920, 10717330, 12860796, 16075995, 21434660, 25721592, 32151990, 42869320, 64303980, 128607960]

約数ペア:

[(1, 128607960), (2, 64303980), (3, 42869320), (4, 32151990), (5, 25721592), (6, 21434660), (8, 16075995), (10, 12860796), (12, 10717330), (13, 9892920), (15, 8573864), (19, 6768840), (20, 6430398), (24, 5358665), (26, 4946460), (30, 4286932), (38, 3384420), (39, 3297640), (40, 3215199), (52, 2473230), (57, 2256280), (60, 2143466), (65, 1978584), (76, 1692210), (78, 1648820), (95, 1353768), (104, 1236615), (114, 1128140), (120, 1071733), (130, 989292), (152, 846105), (156, 824410), (190, 676884), (195, 659528), (228, 564070), (247, 520680), (260, 494646), (285, 451256), (312, 412205), (380, 338442), (390, 329764), (456, 282035), (494, 260340), (520, 247323), (570, 225628), (741, 173560), (760, 169221), (780, 164882), (988, 130170), (1140, 112814), (1235, 104136), (1482, 86780), (1560, 82441), (1976, 65085), (2280, 56407), (2470, 52068), (2964, 43390), (3705, 34712), (4339, 29640), (4940, 26034), (5928, 21695), (7410, 17356), (8678, 14820), (9880, 13017)]