81575910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 241984512

約数和(自身を除く): 160408602

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 81, 90, 117, 122, 127, 130, 135, 162, 183, 195, 234, 254, 270, 305, 351, 366, 381, 390, 405, 549, 585, 610, 635, 702, 762, 793, 810, 915, 1053, 1098, 1143, 1170, 1270, 1586, 1647, 1651, 1755, 1830, 1905, 2106, 2286, 2379, 2745, 3294, 3302, 3429, 3510, 3810, 3965, 4758, 4941, 4953, 5265, 5490, 5715, 6858, 7137, 7747, 7930, 8235, 8255, 9882, 9906, 10287, 10530, 11430, 11895, 14274, 14859, 15494, 16470, 16510, 17145, 20574, 21411, 23241, 23790, 24705, 24765, 29718, 34290, 35685, 38735, 42822, 44577, 46482, 49410, 49530, 51435, 64233, 69723, 71370, 74295, 77470, 89154, 100711, 102870, 107055, 116205, 128466, 133731, 139446, 148590, 201422, 209169, 214110, 222885, 232410, 267462, 302133, 321165, 348615, 418338, 445770, 503555, 604266, 627507, 642330, 668655, 697230, 906399, 1007110, 1045845, 1255014, 1337310, 1510665, 1812798, 2091690, 2719197, 3021330, 3137535, 4531995, 5438394, 6275070, 8157591, 9063990, 13595985, 16315182, 27191970, 40787955, 81575910]

約数ペア:

[(1, 81575910), (2, 40787955), (3, 27191970), (5, 16315182), (6, 13595985), (9, 9063990), (10, 8157591), (13, 6275070), (15, 5438394), (18, 4531995), (26, 3137535), (27, 3021330), (30, 2719197), (39, 2091690), (45, 1812798), (54, 1510665), (61, 1337310), (65, 1255014), (78, 1045845), (81, 1007110), (90, 906399), (117, 697230), (122, 668655), (127, 642330), (130, 627507), (135, 604266), (162, 503555), (183, 445770), (195, 418338), (234, 348615), (254, 321165), (270, 302133), (305, 267462), (351, 232410), (366, 222885), (381, 214110), (390, 209169), (405, 201422), (549, 148590), (585, 139446), (610, 133731), (635, 128466), (702, 116205), (762, 107055), (793, 102870), (810, 100711), (915, 89154), (1053, 77470), (1098, 74295), (1143, 71370), (1170, 69723), (1270, 64233), (1586, 51435), (1647, 49530), (1651, 49410), (1755, 46482), (1830, 44577), (1905, 42822), (2106, 38735), (2286, 35685), (2379, 34290), (2745, 29718), (3294, 24765), (3302, 24705), (3429, 23790), (3510, 23241), (3810, 21411), (3965, 20574), (4758, 17145), (4941, 16510), (4953, 16470), (5265, 15494), (5490, 14859), (5715, 14274), (6858, 11895), (7137, 11430), (7747, 10530), (7930, 10287), (8235, 9906), (8255, 9882)]