31719480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20333}}^1$

素因数の和:20360

約数の個数: 64

約数和(自身を含む): 102483360

約数和(自身を除く): 70763880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20333, 40666, 60999, 81332, 101665, 121998, 162664, 203330, 243996, 264329, 304995, 406660, 487992, 528658, 609990, 792987, 813320, 1057316, 1219980, 1321645, 1585974, 2114632, 2439960, 2643290, 3171948, 3964935, 5286580, 6343896, 7929870, 10573160, 15859740, 31719480]

約数ペア:

[(1, 31719480), (2, 15859740), (3, 10573160), (4, 7929870), (5, 6343896), (6, 5286580), (8, 3964935), (10, 3171948), (12, 2643290), (13, 2439960), (15, 2114632), (20, 1585974), (24, 1321645), (26, 1219980), (30, 1057316), (39, 813320), (40, 792987), (52, 609990), (60, 528658), (65, 487992), (78, 406660), (104, 304995), (120, 264329), (130, 243996), (156, 203330), (195, 162664), (260, 121998), (312, 101665), (390, 81332), (520, 60999), (780, 40666), (1560, 20333)]