61530040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 168376320

約数和(自身を除く): 106846280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 347, 403, 440, 520, 572, 620, 682, 694, 715, 806, 1144, 1240, 1364, 1388, 1430, 1612, 1705, 1735, 2015, 2728, 2776, 2860, 3224, 3410, 3470, 3817, 4030, 4433, 4511, 5720, 6820, 6940, 7634, 8060, 8866, 9022, 10757, 13640, 13880, 15268, 16120, 17732, 18044, 19085, 21514, 22165, 22555, 30536, 35464, 36088, 38170, 43028, 44330, 45110, 49621, 53785, 76340, 86056, 88660, 90220, 99242, 107570, 118327, 139841, 152680, 177320, 180440, 198484, 215140, 236654, 248105, 279682, 396968, 430280, 473308, 496210, 559364, 591635, 699205, 946616, 992420, 1118728, 1183270, 1398410, 1538251, 1984840, 2366540, 2796820, 3076502, 4733080, 5593640, 6153004, 7691255, 12306008, 15382510, 30765020, 61530040]

約数ペア:

[(1, 61530040), (2, 30765020), (4, 15382510), (5, 12306008), (8, 7691255), (10, 6153004), (11, 5593640), (13, 4733080), (20, 3076502), (22, 2796820), (26, 2366540), (31, 1984840), (40, 1538251), (44, 1398410), (52, 1183270), (55, 1118728), (62, 992420), (65, 946616), (88, 699205), (104, 591635), (110, 559364), (124, 496210), (130, 473308), (143, 430280), (155, 396968), (220, 279682), (248, 248105), (260, 236654), (286, 215140), (310, 198484), (341, 180440), (347, 177320), (403, 152680), (440, 139841), (520, 118327), (572, 107570), (620, 99242), (682, 90220), (694, 88660), (715, 86056), (806, 76340), (1144, 53785), (1240, 49621), (1364, 45110), (1388, 44330), (1430, 43028), (1612, 38170), (1705, 36088), (1735, 35464), (2015, 30536), (2728, 22555), (2776, 22165), (2860, 21514), (3224, 19085), (3410, 18044), (3470, 17732), (3817, 16120), (4030, 15268), (4433, 13880), (4511, 13640), (5720, 10757), (6820, 9022), (6940, 8866), (7634, 8060)]