72512748

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 241257744

約数和(自身を除く): 168744996

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 37, 42, 44, 49, 63, 66, 74, 77, 84, 98, 99, 101, 111, 126, 132, 147, 148, 154, 196, 198, 202, 222, 231, 252, 259, 294, 303, 308, 333, 396, 404, 407, 441, 444, 462, 518, 539, 588, 606, 666, 693, 707, 777, 814, 882, 909, 924, 1036, 1078, 1111, 1212, 1221, 1332, 1386, 1414, 1554, 1617, 1628, 1764, 1813, 1818, 2121, 2156, 2222, 2331, 2442, 2772, 2828, 2849, 3108, 3234, 3333, 3626, 3636, 3663, 3737, 4242, 4444, 4662, 4851, 4884, 4949, 5439, 5698, 6363, 6468, 6666, 7252, 7326, 7474, 7777, 8484, 8547, 9324, 9702, 9898, 9999, 10878, 11211, 11396, 12726, 13332, 14652, 14847, 14948, 15554, 16317, 17094, 19404, 19796, 19943, 19998, 21756, 22422, 23331, 25452, 25641, 26159, 29694, 31108, 32634, 33633, 34188, 39886, 39996, 41107, 44541, 44844, 46662, 51282, 52318, 54439, 59388, 59829, 65268, 67266, 69993, 78477, 79772, 82214, 89082, 93324, 102564, 104636, 108878, 119658, 123321, 134532, 139986, 156954, 163317, 164428, 178164, 179487, 183113, 217756, 235431, 239316, 246642, 279972, 287749, 313908, 326634, 358974, 366226, 369963, 470862, 489951, 493284, 549339, 575498, 653268, 717948, 732452, 739926, 863247, 941724, 979902, 1098678, 1150996, 1479852, 1648017, 1726494, 1959804, 2014243, 2197356, 2589741, 3296034, 3452988, 4028486, 5179482, 6042729, 6592068, 8056972, 10358964, 12085458, 18128187, 24170916, 36256374, 72512748]

約数ペア:

[(1, 72512748), (2, 36256374), (3, 24170916), (4, 18128187), (6, 12085458), (7, 10358964), (9, 8056972), (11, 6592068), (12, 6042729), (14, 5179482), (18, 4028486), (21, 3452988), (22, 3296034), (28, 2589741), (33, 2197356), (36, 2014243), (37, 1959804), (42, 1726494), (44, 1648017), (49, 1479852), (63, 1150996), (66, 1098678), (74, 979902), (77, 941724), (84, 863247), (98, 739926), (99, 732452), (101, 717948), (111, 653268), (126, 575498), (132, 549339), (147, 493284), (148, 489951), (154, 470862), (196, 369963), (198, 366226), (202, 358974), (222, 326634), (231, 313908), (252, 287749), (259, 279972), (294, 246642), (303, 239316), (308, 235431), (333, 217756), (396, 183113), (404, 179487), (407, 178164), (441, 164428), (444, 163317), (462, 156954), (518, 139986), (539, 134532), (588, 123321), (606, 119658), (666, 108878), (693, 104636), (707, 102564), (777, 93324), (814, 89082), (882, 82214), (909, 79772), (924, 78477), (1036, 69993), (1078, 67266), (1111, 65268), (1212, 59829), (1221, 59388), (1332, 54439), (1386, 52318), (1414, 51282), (1554, 46662), (1617, 44844), (1628, 44541), (1764, 41107), (1813, 39996), (1818, 39886), (2121, 34188), (2156, 33633), (2222, 32634), (2331, 31108), (2442, 29694), (2772, 26159), (2828, 25641), (2849, 25452), (3108, 23331), (3234, 22422), (3333, 21756), (3626, 19998), (3636, 19943), (3663, 19796), (3737, 19404), (4242, 17094), (4444, 16317), (4662, 15554), (4851, 14948), (4884, 14847), (4949, 14652), (5439, 13332), (5698, 12726), (6363, 11396), (6468, 11211), (6666, 10878), (7252, 9999), (7326, 9898), (7474, 9702), (7777, 9324), (8484, 8547)]