72235872

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 221981760

約数和(自身を除く): 149745888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 43, 48, 57, 72, 76, 86, 96, 114, 129, 144, 152, 171, 172, 228, 258, 288, 304, 307, 342, 344, 387, 456, 516, 608, 614, 684, 688, 774, 817, 912, 921, 1032, 1228, 1368, 1376, 1548, 1634, 1824, 1842, 2064, 2451, 2456, 2736, 2763, 3096, 3268, 3684, 4128, 4902, 4912, 5472, 5526, 5833, 6192, 6536, 7353, 7368, 9804, 9824, 11052, 11666, 12384, 13072, 13201, 14706, 14736, 17499, 19608, 22104, 23332, 26144, 26402, 29412, 29472, 34998, 39216, 39603, 44208, 46664, 52497, 52804, 58824, 69996, 78432, 79206, 88416, 93328, 104994, 105608, 117648, 118809, 139992, 158412, 186656, 209988, 211216, 235296, 237618, 250819, 279984, 316824, 419976, 422432, 475236, 501638, 559968, 633648, 752457, 839952, 950472, 1003276, 1267296, 1504914, 1679904, 1900944, 2006552, 2257371, 3009828, 3801888, 4013104, 4514742, 6019656, 8026208, 9029484, 12039312, 18058968, 24078624, 36117936, 72235872]

約数ペア:

[(1, 72235872), (2, 36117936), (3, 24078624), (4, 18058968), (6, 12039312), (8, 9029484), (9, 8026208), (12, 6019656), (16, 4514742), (18, 4013104), (19, 3801888), (24, 3009828), (32, 2257371), (36, 2006552), (38, 1900944), (43, 1679904), (48, 1504914), (57, 1267296), (72, 1003276), (76, 950472), (86, 839952), (96, 752457), (114, 633648), (129, 559968), (144, 501638), (152, 475236), (171, 422432), (172, 419976), (228, 316824), (258, 279984), (288, 250819), (304, 237618), (307, 235296), (342, 211216), (344, 209988), (387, 186656), (456, 158412), (516, 139992), (608, 118809), (614, 117648), (684, 105608), (688, 104994), (774, 93328), (817, 88416), (912, 79206), (921, 78432), (1032, 69996), (1228, 58824), (1368, 52804), (1376, 52497), (1548, 46664), (1634, 44208), (1824, 39603), (1842, 39216), (2064, 34998), (2451, 29472), (2456, 29412), (2736, 26402), (2763, 26144), (3096, 23332), (3268, 22104), (3684, 19608), (4128, 17499), (4902, 14736), (4912, 14706), (5472, 13201), (5526, 13072), (5833, 12384), (6192, 11666), (6536, 11052), (7353, 9824), (7368, 9804)]