30961320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 101606400

約数和(自身を除く): 70645080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 156, 178, 195, 223, 260, 267, 312, 356, 390, 445, 446, 520, 534, 669, 712, 780, 890, 892, 1068, 1115, 1157, 1335, 1338, 1560, 1780, 1784, 2136, 2230, 2314, 2670, 2676, 2899, 3345, 3471, 3560, 4460, 4628, 5340, 5352, 5785, 5798, 6690, 6942, 8697, 8920, 9256, 10680, 11570, 11596, 13380, 13884, 14495, 17355, 17394, 19847, 23140, 23192, 26760, 27768, 28990, 34710, 34788, 39694, 43485, 46280, 57980, 59541, 69420, 69576, 79388, 86970, 99235, 115960, 119082, 138840, 158776, 173940, 198470, 238164, 258011, 297705, 347880, 396940, 476328, 516022, 595410, 774033, 793880, 1032044, 1190820, 1290055, 1548066, 2064088, 2381640, 2580110, 3096132, 3870165, 5160220, 6192264, 7740330, 10320440, 15480660, 30961320]

約数ペア:

[(1, 30961320), (2, 15480660), (3, 10320440), (4, 7740330), (5, 6192264), (6, 5160220), (8, 3870165), (10, 3096132), (12, 2580110), (13, 2381640), (15, 2064088), (20, 1548066), (24, 1290055), (26, 1190820), (30, 1032044), (39, 793880), (40, 774033), (52, 595410), (60, 516022), (65, 476328), (78, 396940), (89, 347880), (104, 297705), (120, 258011), (130, 238164), (156, 198470), (178, 173940), (195, 158776), (223, 138840), (260, 119082), (267, 115960), (312, 99235), (356, 86970), (390, 79388), (445, 69576), (446, 69420), (520, 59541), (534, 57980), (669, 46280), (712, 43485), (780, 39694), (890, 34788), (892, 34710), (1068, 28990), (1115, 27768), (1157, 26760), (1335, 23192), (1338, 23140), (1560, 19847), (1780, 17394), (1784, 17355), (2136, 14495), (2230, 13884), (2314, 13380), (2670, 11596), (2676, 11570), (2899, 10680), (3345, 9256), (3471, 8920), (3560, 8697), (4460, 6942), (4628, 6690), (5340, 5798), (5352, 5785)]