278360316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 789778080

約数和(自身を除く): 511417764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 89, 117, 123, 156, 163, 164, 178, 234, 246, 267, 326, 356, 369, 468, 489, 492, 533, 534, 652, 738, 801, 978, 1066, 1068, 1157, 1467, 1476, 1599, 1602, 1956, 2119, 2132, 2314, 2934, 3198, 3204, 3471, 3649, 4238, 4628, 4797, 5868, 6357, 6396, 6683, 6942, 7298, 8476, 9594, 10413, 10947, 12714, 13366, 13884, 14507, 14596, 19071, 19188, 20049, 20826, 21894, 25428, 26732, 29014, 32841, 38142, 40098, 41652, 43521, 43788, 47437, 58028, 60147, 65682, 76284, 80196, 86879, 87042, 94874, 120294, 130563, 131364, 142311, 173758, 174084, 188591, 189748, 240588, 260637, 261126, 284622, 347516, 377182, 426933, 521274, 522252, 565773, 569244, 594787, 754364, 781911, 853866, 1042548, 1131546, 1189574, 1563822, 1697319, 1707732, 1784361, 2263092, 2379148, 3127644, 3394638, 3568722, 5353083, 6789276, 7137444, 7732231, 10706166, 15464462, 21412332, 23196693, 30928924, 46393386, 69590079, 92786772, 139180158, 278360316]

約数ペア:

[(1, 278360316), (2, 139180158), (3, 92786772), (4, 69590079), (6, 46393386), (9, 30928924), (12, 23196693), (13, 21412332), (18, 15464462), (26, 10706166), (36, 7732231), (39, 7137444), (41, 6789276), (52, 5353083), (78, 3568722), (82, 3394638), (89, 3127644), (117, 2379148), (123, 2263092), (156, 1784361), (163, 1707732), (164, 1697319), (178, 1563822), (234, 1189574), (246, 1131546), (267, 1042548), (326, 853866), (356, 781911), (369, 754364), (468, 594787), (489, 569244), (492, 565773), (533, 522252), (534, 521274), (652, 426933), (738, 377182), (801, 347516), (978, 284622), (1066, 261126), (1068, 260637), (1157, 240588), (1467, 189748), (1476, 188591), (1599, 174084), (1602, 173758), (1956, 142311), (2119, 131364), (2132, 130563), (2314, 120294), (2934, 94874), (3198, 87042), (3204, 86879), (3471, 80196), (3649, 76284), (4238, 65682), (4628, 60147), (4797, 58028), (5868, 47437), (6357, 43788), (6396, 43521), (6683, 41652), (6942, 40098), (7298, 38142), (8476, 32841), (9594, 29014), (10413, 26732), (10947, 25428), (12714, 21894), (13366, 20826), (13884, 20049), (14507, 19188), (14596, 19071)]