31528440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 160

約数和(自身を含む): 109248480

約数和(自身を除く): 77720040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 263, 270, 296, 324, 333, 360, 370, 405, 444, 526, 540, 555, 648, 666, 740, 789, 810, 888, 999, 1052, 1080, 1110, 1315, 1332, 1480, 1578, 1620, 1665, 1998, 2104, 2220, 2367, 2630, 2664, 2997, 3156, 3240, 3330, 3945, 3996, 4440, 4734, 4995, 5260, 5994, 6312, 6660, 7101, 7890, 7992, 9468, 9731, 9990, 10520, 11835, 11988, 13320, 14202, 14985, 15780, 18936, 19462, 19980, 21303, 23670, 23976, 28404, 29193, 29970, 31560, 35505, 38924, 39960, 42606, 47340, 48655, 56808, 58386, 59940, 71010, 77848, 85212, 87579, 94680, 97310, 106515, 116772, 119880, 142020, 145965, 170424, 175158, 194620, 213030, 233544, 262737, 284040, 291930, 350316, 389240, 426060, 437895, 525474, 583860, 700632, 788211, 852120, 875790, 1050948, 1167720, 1313685, 1576422, 1751580, 2101896, 2627370, 3152844, 3503160, 3941055, 5254740, 6305688, 7882110, 10509480, 15764220, 31528440]

約数ペア:

[(1, 31528440), (2, 15764220), (3, 10509480), (4, 7882110), (5, 6305688), (6, 5254740), (8, 3941055), (9, 3503160), (10, 3152844), (12, 2627370), (15, 2101896), (18, 1751580), (20, 1576422), (24, 1313685), (27, 1167720), (30, 1050948), (36, 875790), (37, 852120), (40, 788211), (45, 700632), (54, 583860), (60, 525474), (72, 437895), (74, 426060), (81, 389240), (90, 350316), (108, 291930), (111, 284040), (120, 262737), (135, 233544), (148, 213030), (162, 194620), (180, 175158), (185, 170424), (216, 145965), (222, 142020), (263, 119880), (270, 116772), (296, 106515), (324, 97310), (333, 94680), (360, 87579), (370, 85212), (405, 77848), (444, 71010), (526, 59940), (540, 58386), (555, 56808), (648, 48655), (666, 47340), (740, 42606), (789, 39960), (810, 38924), (888, 35505), (999, 31560), (1052, 29970), (1080, 29193), (1110, 28404), (1315, 23976), (1332, 23670), (1480, 21303), (1578, 19980), (1620, 19462), (1665, 18936), (1998, 15780), (2104, 14985), (2220, 14202), (2367, 13320), (2630, 11988), (2664, 11835), (2997, 10520), (3156, 9990), (3240, 9731), (3330, 9468), (3945, 7992), (3996, 7890), (4440, 7101), (4734, 6660), (4995, 6312), (5260, 5994)]