661857480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5521}}^1$

素因数の和:5581

約数の個数: 160

約数和(自身を含む): 2285114040

約数和(自身を除く): 1623256560

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, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 666, 740, 810, 888, 999, 1080, 1110, 1332, 1480, 1620, 1665, 1998, 2220, 2664, 2997, 3240, 3330, 3996, 4440, 4995, 5521, 5994, 6660, 7992, 9990, 11042, 11988, 13320, 14985, 16563, 19980, 22084, 23976, 27605, 29970, 33126, 39960, 44168, 49689, 55210, 59940, 66252, 82815, 99378, 110420, 119880, 132504, 149067, 165630, 198756, 204277, 220840, 248445, 298134, 331260, 397512, 408554, 447201, 496890, 596268, 612831, 662520, 745335, 817108, 894402, 993780, 1021385, 1192536, 1225662, 1490670, 1634216, 1788804, 1838493, 1987560, 2042770, 2236005, 2451324, 2981340, 3064155, 3577608, 3676986, 4085540, 4472010, 4902648, 5515479, 5962680, 6128310, 7353972, 8171080, 8944020, 9192465, 11030958, 12256620, 14707944, 16546437, 17888040, 18384930, 22061916, 24513240, 27577395, 33092874, 36769860, 44123832, 55154790, 66185748, 73539720, 82732185, 110309580, 132371496, 165464370, 220619160, 330928740, 661857480]

約数ペア:

[(1, 661857480), (2, 330928740), (3, 220619160), (4, 165464370), (5, 132371496), (6, 110309580), (8, 82732185), (9, 73539720), (10, 66185748), (12, 55154790), (15, 44123832), (18, 36769860), (20, 33092874), (24, 27577395), (27, 24513240), (30, 22061916), (36, 18384930), (37, 17888040), (40, 16546437), (45, 14707944), (54, 12256620), (60, 11030958), (72, 9192465), (74, 8944020), (81, 8171080), (90, 7353972), (108, 6128310), (111, 5962680), (120, 5515479), (135, 4902648), (148, 4472010), (162, 4085540), (180, 3676986), (185, 3577608), (216, 3064155), (222, 2981340), (270, 2451324), (296, 2236005), (324, 2042770), (333, 1987560), (360, 1838493), (370, 1788804), (405, 1634216), (444, 1490670), (540, 1225662), (555, 1192536), (648, 1021385), (666, 993780), (740, 894402), (810, 817108), (888, 745335), (999, 662520), (1080, 612831), (1110, 596268), (1332, 496890), (1480, 447201), (1620, 408554), (1665, 397512), (1998, 331260), (2220, 298134), (2664, 248445), (2997, 220840), (3240, 204277), (3330, 198756), (3996, 165630), (4440, 149067), (4995, 132504), (5521, 119880), (5994, 110420), (6660, 99378), (7992, 82815), (9990, 66252), (11042, 59940), (11988, 55210), (13320, 49689), (14985, 44168), (16563, 39960), (19980, 33126), (22084, 29970), (23976, 27605)]