123438840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{2999}}^1$

素因数の和:3034

約数の個数: 128

約数和(自身を含む): 432000000

約数和(自身を除く): 308561160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 2999, 3430, 4116, 5145, 5880, 5998, 6860, 8232, 8997, 10290, 11996, 13720, 14995, 17994, 20580, 20993, 23992, 29990, 35988, 41160, 41986, 44985, 59980, 62979, 71976, 83972, 89970, 104965, 119960, 125958, 146951, 167944, 179940, 209930, 251916, 293902, 314895, 359880, 419860, 440853, 503832, 587804, 629790, 734755, 839720, 881706, 1028657, 1175608, 1259580, 1469510, 1763412, 2057314, 2204265, 2519160, 2939020, 3085971, 3526824, 4114628, 4408530, 5143285, 5878040, 6171942, 8229256, 8817060, 10286570, 12343884, 15429855, 17634120, 20573140, 24687768, 30859710, 41146280, 61719420, 123438840]

約数ペア:

[(1, 123438840), (2, 61719420), (3, 41146280), (4, 30859710), (5, 24687768), (6, 20573140), (7, 17634120), (8, 15429855), (10, 12343884), (12, 10286570), (14, 8817060), (15, 8229256), (20, 6171942), (21, 5878040), (24, 5143285), (28, 4408530), (30, 4114628), (35, 3526824), (40, 3085971), (42, 2939020), (49, 2519160), (56, 2204265), (60, 2057314), (70, 1763412), (84, 1469510), (98, 1259580), (105, 1175608), (120, 1028657), (140, 881706), (147, 839720), (168, 734755), (196, 629790), (210, 587804), (245, 503832), (280, 440853), (294, 419860), (343, 359880), (392, 314895), (420, 293902), (490, 251916), (588, 209930), (686, 179940), (735, 167944), (840, 146951), (980, 125958), (1029, 119960), (1176, 104965), (1372, 89970), (1470, 83972), (1715, 71976), (1960, 62979), (2058, 59980), (2744, 44985), (2940, 41986), (2999, 41160), (3430, 35988), (4116, 29990), (5145, 23992), (5880, 20993), (5998, 20580), (6860, 17994), (8232, 14995), (8997, 13720), (10290, 11996)]