81303948

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 239016960

約数和(自身を除く): 157713012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 37, 44, 62, 66, 74, 93, 99, 111, 124, 132, 148, 179, 186, 198, 222, 279, 333, 341, 358, 372, 396, 407, 444, 537, 558, 666, 682, 716, 814, 1023, 1074, 1116, 1147, 1221, 1332, 1364, 1611, 1628, 1969, 2046, 2148, 2294, 2442, 3069, 3222, 3441, 3663, 3938, 4092, 4588, 4884, 5549, 5907, 6138, 6444, 6623, 6882, 7326, 7876, 10323, 11098, 11814, 12276, 12617, 13246, 13764, 14652, 16647, 17721, 19869, 20646, 22196, 23628, 25234, 26492, 33294, 35442, 37851, 39738, 41292, 49941, 50468, 59607, 61039, 66588, 70884, 72853, 75702, 79476, 99882, 113553, 119214, 122078, 145706, 151404, 183117, 199764, 205313, 218559, 227106, 238428, 244156, 291412, 366234, 410626, 437118, 454212, 549351, 615939, 655677, 732468, 821252, 874236, 1098702, 1231878, 1311354, 1847817, 2197404, 2258443, 2463756, 2622708, 3695634, 4516886, 6775329, 7391268, 9033772, 13550658, 20325987, 27101316, 40651974, 81303948]

約数ペア:

[(1, 81303948), (2, 40651974), (3, 27101316), (4, 20325987), (6, 13550658), (9, 9033772), (11, 7391268), (12, 6775329), (18, 4516886), (22, 3695634), (31, 2622708), (33, 2463756), (36, 2258443), (37, 2197404), (44, 1847817), (62, 1311354), (66, 1231878), (74, 1098702), (93, 874236), (99, 821252), (111, 732468), (124, 655677), (132, 615939), (148, 549351), (179, 454212), (186, 437118), (198, 410626), (222, 366234), (279, 291412), (333, 244156), (341, 238428), (358, 227106), (372, 218559), (396, 205313), (407, 199764), (444, 183117), (537, 151404), (558, 145706), (666, 122078), (682, 119214), (716, 113553), (814, 99882), (1023, 79476), (1074, 75702), (1116, 72853), (1147, 70884), (1221, 66588), (1332, 61039), (1364, 59607), (1611, 50468), (1628, 49941), (1969, 41292), (2046, 39738), (2148, 37851), (2294, 35442), (2442, 33294), (3069, 26492), (3222, 25234), (3441, 23628), (3663, 22196), (3938, 20646), (4092, 19869), (4588, 17721), (4884, 16647), (5549, 14652), (5907, 13764), (6138, 13246), (6444, 12617), (6623, 12276), (6882, 11814), (7326, 11098), (7876, 10323)]