78240456

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 250932240

約数和(自身を除く): 172691784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 67, 72, 84, 98, 126, 134, 147, 168, 196, 201, 252, 268, 294, 331, 392, 402, 441, 469, 504, 536, 588, 603, 662, 804, 882, 938, 993, 1176, 1206, 1324, 1407, 1608, 1764, 1876, 1986, 2317, 2412, 2648, 2814, 2979, 3283, 3528, 3752, 3972, 4221, 4634, 4824, 5628, 5958, 6566, 6951, 7944, 8442, 9268, 9849, 11256, 11916, 13132, 13902, 16219, 16884, 18536, 19698, 20853, 22177, 23832, 26264, 27804, 29547, 32438, 33768, 39396, 41706, 44354, 48657, 55608, 59094, 64876, 66531, 78792, 83412, 88708, 97314, 118188, 129752, 133062, 145971, 155239, 166824, 177416, 194628, 199593, 236376, 266124, 291942, 310478, 389256, 399186, 465717, 532248, 583884, 620956, 798372, 931434, 1086673, 1167768, 1241912, 1397151, 1596744, 1862868, 2173346, 2794302, 3260019, 3725736, 4346692, 5588604, 6520038, 8693384, 9780057, 11177208, 13040076, 19560114, 26080152, 39120228, 78240456]

約数ペア:

[(1, 78240456), (2, 39120228), (3, 26080152), (4, 19560114), (6, 13040076), (7, 11177208), (8, 9780057), (9, 8693384), (12, 6520038), (14, 5588604), (18, 4346692), (21, 3725736), (24, 3260019), (28, 2794302), (36, 2173346), (42, 1862868), (49, 1596744), (56, 1397151), (63, 1241912), (67, 1167768), (72, 1086673), (84, 931434), (98, 798372), (126, 620956), (134, 583884), (147, 532248), (168, 465717), (196, 399186), (201, 389256), (252, 310478), (268, 291942), (294, 266124), (331, 236376), (392, 199593), (402, 194628), (441, 177416), (469, 166824), (504, 155239), (536, 145971), (588, 133062), (603, 129752), (662, 118188), (804, 97314), (882, 88708), (938, 83412), (993, 78792), (1176, 66531), (1206, 64876), (1324, 59094), (1407, 55608), (1608, 48657), (1764, 44354), (1876, 41706), (1986, 39396), (2317, 33768), (2412, 32438), (2648, 29547), (2814, 27804), (2979, 26264), (3283, 23832), (3528, 22177), (3752, 20853), (3972, 19698), (4221, 18536), (4634, 16884), (4824, 16219), (5628, 13902), (5958, 13132), (6566, 11916), (6951, 11256), (7944, 9849), (8442, 9268)]