666766980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1409}}^1$

素因数の和:1674

約数の個数: 144

約数和(自身を含む): 2217196800

約数和(自身を除く): 1550429820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 239, 330, 396, 478, 495, 660, 717, 956, 990, 1195, 1409, 1434, 1980, 2151, 2390, 2629, 2818, 2868, 3585, 4227, 4302, 4780, 5258, 5636, 7045, 7170, 7887, 8454, 8604, 10516, 10755, 12681, 13145, 14090, 14340, 15499, 15774, 16908, 21135, 21510, 23661, 25362, 26290, 28180, 30998, 31548, 39435, 42270, 43020, 46497, 47322, 50724, 52580, 61996, 63405, 77495, 78870, 84540, 92994, 94644, 118305, 126810, 139491, 154990, 157740, 185988, 232485, 236610, 253620, 278982, 309980, 336751, 464970, 473220, 557964, 673502, 697455, 929940, 1010253, 1347004, 1394910, 1683755, 2020506, 2789820, 3030759, 3367510, 3704261, 4041012, 5051265, 6061518, 6735020, 7408522, 10102530, 11112783, 12123036, 14817044, 15153795, 18521305, 20205060, 22225566, 30307590, 33338349, 37042610, 44451132, 55563915, 60615180, 66676698, 74085220, 111127830, 133353396, 166691745, 222255660, 333383490, 666766980]

約数ペア:

[(1, 666766980), (2, 333383490), (3, 222255660), (4, 166691745), (5, 133353396), (6, 111127830), (9, 74085220), (10, 66676698), (11, 60615180), (12, 55563915), (15, 44451132), (18, 37042610), (20, 33338349), (22, 30307590), (30, 22225566), (33, 20205060), (36, 18521305), (44, 15153795), (45, 14817044), (55, 12123036), (60, 11112783), (66, 10102530), (90, 7408522), (99, 6735020), (110, 6061518), (132, 5051265), (165, 4041012), (180, 3704261), (198, 3367510), (220, 3030759), (239, 2789820), (330, 2020506), (396, 1683755), (478, 1394910), (495, 1347004), (660, 1010253), (717, 929940), (956, 697455), (990, 673502), (1195, 557964), (1409, 473220), (1434, 464970), (1980, 336751), (2151, 309980), (2390, 278982), (2629, 253620), (2818, 236610), (2868, 232485), (3585, 185988), (4227, 157740), (4302, 154990), (4780, 139491), (5258, 126810), (5636, 118305), (7045, 94644), (7170, 92994), (7887, 84540), (8454, 78870), (8604, 77495), (10516, 63405), (10755, 61996), (12681, 52580), (13145, 50724), (14090, 47322), (14340, 46497), (15499, 43020), (15774, 42270), (16908, 39435), (21135, 31548), (21510, 30998), (23661, 28180), (25362, 26290)]