78384880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 224985600

約数和(自身を除く): 146600720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 80, 95, 106, 112, 133, 139, 140, 152, 190, 212, 265, 266, 278, 280, 304, 371, 380, 424, 530, 532, 556, 560, 665, 695, 742, 760, 848, 973, 1007, 1060, 1064, 1112, 1330, 1390, 1484, 1520, 1855, 1946, 2014, 2120, 2128, 2224, 2641, 2660, 2780, 2968, 3710, 3892, 4028, 4240, 4865, 5035, 5282, 5320, 5560, 5936, 7049, 7367, 7420, 7784, 8056, 9730, 10070, 10564, 10640, 11120, 13205, 14098, 14734, 14840, 15568, 16112, 18487, 19460, 20140, 21128, 26410, 28196, 29468, 29680, 35245, 36835, 36974, 38920, 40280, 42256, 51569, 52820, 56392, 58936, 70490, 73670, 73948, 77840, 80560, 92435, 103138, 105640, 112784, 117872, 139973, 140980, 147340, 147896, 184870, 206276, 211280, 257845, 279946, 281960, 294680, 295792, 369740, 412552, 515690, 559892, 563920, 589360, 699865, 739480, 825104, 979811, 1031380, 1119784, 1399730, 1478960, 1959622, 2062760, 2239568, 2799460, 3919244, 4125520, 4899055, 5598920, 7838488, 9798110, 11197840, 15676976, 19596220, 39192440, 78384880]

約数ペア:

[(1, 78384880), (2, 39192440), (4, 19596220), (5, 15676976), (7, 11197840), (8, 9798110), (10, 7838488), (14, 5598920), (16, 4899055), (19, 4125520), (20, 3919244), (28, 2799460), (35, 2239568), (38, 2062760), (40, 1959622), (53, 1478960), (56, 1399730), (70, 1119784), (76, 1031380), (80, 979811), (95, 825104), (106, 739480), (112, 699865), (133, 589360), (139, 563920), (140, 559892), (152, 515690), (190, 412552), (212, 369740), (265, 295792), (266, 294680), (278, 281960), (280, 279946), (304, 257845), (371, 211280), (380, 206276), (424, 184870), (530, 147896), (532, 147340), (556, 140980), (560, 139973), (665, 117872), (695, 112784), (742, 105640), (760, 103138), (848, 92435), (973, 80560), (1007, 77840), (1060, 73948), (1064, 73670), (1112, 70490), (1330, 58936), (1390, 56392), (1484, 52820), (1520, 51569), (1855, 42256), (1946, 40280), (2014, 38920), (2120, 36974), (2128, 36835), (2224, 35245), (2641, 29680), (2660, 29468), (2780, 28196), (2968, 26410), (3710, 21128), (3892, 20140), (4028, 19460), (4240, 18487), (4865, 16112), (5035, 15568), (5282, 14840), (5320, 14734), (5560, 14098), (5936, 13205), (7049, 11120), (7367, 10640), (7420, 10564), (7784, 10070), (8056, 9730)]