81989640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13397}}^1$

素因数の和:13431

約数の個数: 96

約数和(自身を含む): 282161880

約数和(自身を除く): 200172240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 13397, 26794, 40191, 53588, 66985, 80382, 107176, 120573, 133970, 160764, 200955, 227749, 241146, 267940, 321528, 401910, 455498, 482292, 535880, 602865, 683247, 803820, 910996, 964584, 1138745, 1205730, 1366494, 1607640, 1821992, 2049741, 2277490, 2411460, 2732988, 3416235, 4099482, 4554980, 4822920, 5465976, 6832470, 8198964, 9109960, 10248705, 13664940, 16397928, 20497410, 27329880, 40994820, 81989640]

約数ペア:

[(1, 81989640), (2, 40994820), (3, 27329880), (4, 20497410), (5, 16397928), (6, 13664940), (8, 10248705), (9, 9109960), (10, 8198964), (12, 6832470), (15, 5465976), (17, 4822920), (18, 4554980), (20, 4099482), (24, 3416235), (30, 2732988), (34, 2411460), (36, 2277490), (40, 2049741), (45, 1821992), (51, 1607640), (60, 1366494), (68, 1205730), (72, 1138745), (85, 964584), (90, 910996), (102, 803820), (120, 683247), (136, 602865), (153, 535880), (170, 482292), (180, 455498), (204, 401910), (255, 321528), (306, 267940), (340, 241146), (360, 227749), (408, 200955), (510, 160764), (612, 133970), (680, 120573), (765, 107176), (1020, 80382), (1224, 66985), (1530, 53588), (2040, 40191), (3060, 26794), (6120, 13397)]