1378620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 4634784

約数和(自身を除く): 3256164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 37, 45, 46, 54, 60, 69, 74, 81, 90, 92, 108, 111, 115, 135, 138, 148, 162, 180, 185, 207, 222, 230, 270, 276, 324, 333, 345, 370, 405, 414, 444, 460, 540, 555, 621, 666, 690, 740, 810, 828, 851, 999, 1035, 1110, 1242, 1332, 1380, 1620, 1665, 1702, 1863, 1998, 2070, 2220, 2484, 2553, 2997, 3105, 3330, 3404, 3726, 3996, 4140, 4255, 4995, 5106, 5994, 6210, 6660, 7452, 7659, 8510, 9315, 9990, 10212, 11988, 12420, 12765, 14985, 15318, 17020, 18630, 19980, 22977, 25530, 29970, 30636, 37260, 38295, 45954, 51060, 59940, 68931, 76590, 91908, 114885, 137862, 153180, 229770, 275724, 344655, 459540, 689310, 1378620]

約数ペア:

[(1, 1378620), (2, 689310), (3, 459540), (4, 344655), (5, 275724), (6, 229770), (9, 153180), (10, 137862), (12, 114885), (15, 91908), (18, 76590), (20, 68931), (23, 59940), (27, 51060), (30, 45954), (36, 38295), (37, 37260), (45, 30636), (46, 29970), (54, 25530), (60, 22977), (69, 19980), (74, 18630), (81, 17020), (90, 15318), (92, 14985), (108, 12765), (111, 12420), (115, 11988), (135, 10212), (138, 9990), (148, 9315), (162, 8510), (180, 7659), (185, 7452), (207, 6660), (222, 6210), (230, 5994), (270, 5106), (276, 4995), (324, 4255), (333, 4140), (345, 3996), (370, 3726), (405, 3404), (414, 3330), (444, 3105), (460, 2997), (540, 2553), (555, 2484), (621, 2220), (666, 2070), (690, 1998), (740, 1863), (810, 1702), (828, 1665), (851, 1620), (999, 1380), (1035, 1332), (1110, 1242)]