128735490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 348509952

約数和(自身を除く): 219774462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 83, 97, 123, 130, 166, 194, 195, 205, 246, 249, 291, 390, 410, 415, 485, 498, 533, 582, 615, 830, 970, 1066, 1079, 1230, 1245, 1261, 1455, 1599, 2158, 2490, 2522, 2665, 2910, 3198, 3237, 3403, 3783, 3977, 5330, 5395, 6305, 6474, 6806, 7566, 7954, 7995, 8051, 10209, 10790, 11931, 12610, 15990, 16102, 16185, 17015, 18915, 19885, 20418, 23862, 24153, 32370, 34030, 37830, 39770, 40255, 44239, 48306, 51045, 51701, 59655, 80510, 88478, 102090, 103402, 104663, 119310, 120765, 132717, 155103, 209326, 221195, 241530, 258505, 265434, 310206, 313989, 330091, 442390, 517010, 523315, 627978, 660182, 663585, 775515, 990273, 1046630, 1327170, 1551030, 1569945, 1650455, 1980546, 3139890, 3300910, 4291183, 4951365, 8582366, 9902730, 12873549, 21455915, 25747098, 42911830, 64367745, 128735490]

約数ペア:

[(1, 128735490), (2, 64367745), (3, 42911830), (5, 25747098), (6, 21455915), (10, 12873549), (13, 9902730), (15, 8582366), (26, 4951365), (30, 4291183), (39, 3300910), (41, 3139890), (65, 1980546), (78, 1650455), (82, 1569945), (83, 1551030), (97, 1327170), (123, 1046630), (130, 990273), (166, 775515), (194, 663585), (195, 660182), (205, 627978), (246, 523315), (249, 517010), (291, 442390), (390, 330091), (410, 313989), (415, 310206), (485, 265434), (498, 258505), (533, 241530), (582, 221195), (615, 209326), (830, 155103), (970, 132717), (1066, 120765), (1079, 119310), (1230, 104663), (1245, 103402), (1261, 102090), (1455, 88478), (1599, 80510), (2158, 59655), (2490, 51701), (2522, 51045), (2665, 48306), (2910, 44239), (3198, 40255), (3237, 39770), (3403, 37830), (3783, 34030), (3977, 32370), (5330, 24153), (5395, 23862), (6305, 20418), (6474, 19885), (6806, 18915), (7566, 17015), (7954, 16185), (7995, 16102), (8051, 15990), (10209, 12610), (10790, 11931)]