278647512

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 160

約数和(自身を含む): 838748400

約数和(自身を除く): 560100888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 61, 66, 78, 88, 104, 121, 122, 132, 143, 156, 183, 242, 244, 264, 286, 312, 363, 366, 429, 484, 488, 572, 671, 726, 732, 793, 858, 968, 1144, 1331, 1342, 1452, 1464, 1573, 1586, 1716, 2013, 2379, 2662, 2684, 2904, 3146, 3172, 3432, 3993, 4026, 4719, 4758, 5324, 5368, 6292, 6344, 7381, 7986, 8052, 8723, 9438, 9516, 10648, 12584, 14641, 14762, 15972, 16104, 17303, 17446, 18876, 19032, 22143, 26169, 29282, 29524, 31944, 34606, 34892, 37752, 43923, 44286, 51909, 52338, 58564, 59048, 69212, 69784, 81191, 87846, 88572, 95953, 103818, 104676, 117128, 138424, 162382, 175692, 177144, 190333, 191906, 207636, 209352, 243573, 287859, 324764, 351384, 380666, 383812, 415272, 487146, 570999, 575718, 649528, 761332, 767624, 893101, 974292, 1055483, 1141998, 1151436, 1522664, 1786202, 1948584, 2110966, 2283996, 2302872, 2679303, 3166449, 3572404, 4221932, 4567992, 5358606, 6332898, 7144808, 8443864, 10717212, 11610313, 12665796, 21434424, 23220626, 25331592, 34830939, 46441252, 69661878, 92882504, 139323756, 278647512]

約数ペア:

[(1, 278647512), (2, 139323756), (3, 92882504), (4, 69661878), (6, 46441252), (8, 34830939), (11, 25331592), (12, 23220626), (13, 21434424), (22, 12665796), (24, 11610313), (26, 10717212), (33, 8443864), (39, 7144808), (44, 6332898), (52, 5358606), (61, 4567992), (66, 4221932), (78, 3572404), (88, 3166449), (104, 2679303), (121, 2302872), (122, 2283996), (132, 2110966), (143, 1948584), (156, 1786202), (183, 1522664), (242, 1151436), (244, 1141998), (264, 1055483), (286, 974292), (312, 893101), (363, 767624), (366, 761332), (429, 649528), (484, 575718), (488, 570999), (572, 487146), (671, 415272), (726, 383812), (732, 380666), (793, 351384), (858, 324764), (968, 287859), (1144, 243573), (1331, 209352), (1342, 207636), (1452, 191906), (1464, 190333), (1573, 177144), (1586, 175692), (1716, 162382), (2013, 138424), (2379, 117128), (2662, 104676), (2684, 103818), (2904, 95953), (3146, 88572), (3172, 87846), (3432, 81191), (3993, 69784), (4026, 69212), (4719, 59048), (4758, 58564), (5324, 52338), (5368, 51909), (6292, 44286), (6344, 43923), (7381, 37752), (7986, 34892), (8052, 34606), (8723, 31944), (9438, 29524), (9516, 29282), (10648, 26169), (12584, 22143), (14641, 19032), (14762, 18876), (15972, 17446), (16104, 17303)]