213265120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 555523920

約数和(自身を除く): 342258800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 73, 76, 80, 95, 124, 146, 152, 155, 160, 190, 248, 292, 304, 310, 365, 380, 496, 584, 589, 608, 620, 730, 760, 961, 992, 1168, 1178, 1240, 1387, 1460, 1520, 1922, 2263, 2336, 2356, 2480, 2774, 2920, 2945, 3040, 3844, 4526, 4712, 4805, 4960, 5548, 5840, 5890, 6935, 7688, 9052, 9424, 9610, 11096, 11315, 11680, 11780, 13870, 15376, 18104, 18259, 18848, 19220, 22192, 22630, 23560, 27740, 30752, 36208, 36518, 38440, 42997, 44384, 45260, 47120, 55480, 70153, 72416, 73036, 76880, 85994, 90520, 91295, 94240, 110960, 140306, 146072, 153760, 171988, 181040, 182590, 214985, 221920, 280612, 292144, 343976, 350765, 362080, 365180, 429970, 561224, 584288, 687952, 701530, 730360, 859940, 1122448, 1332907, 1375904, 1403060, 1460720, 1719880, 2244896, 2665814, 2806120, 2921440, 3439760, 5331628, 5612240, 6664535, 6879520, 10663256, 11224480, 13329070, 21326512, 26658140, 42653024, 53316280, 106632560, 213265120]

約数ペア:

[(1, 213265120), (2, 106632560), (4, 53316280), (5, 42653024), (8, 26658140), (10, 21326512), (16, 13329070), (19, 11224480), (20, 10663256), (31, 6879520), (32, 6664535), (38, 5612240), (40, 5331628), (62, 3439760), (73, 2921440), (76, 2806120), (80, 2665814), (95, 2244896), (124, 1719880), (146, 1460720), (152, 1403060), (155, 1375904), (160, 1332907), (190, 1122448), (248, 859940), (292, 730360), (304, 701530), (310, 687952), (365, 584288), (380, 561224), (496, 429970), (584, 365180), (589, 362080), (608, 350765), (620, 343976), (730, 292144), (760, 280612), (961, 221920), (992, 214985), (1168, 182590), (1178, 181040), (1240, 171988), (1387, 153760), (1460, 146072), (1520, 140306), (1922, 110960), (2263, 94240), (2336, 91295), (2356, 90520), (2480, 85994), (2774, 76880), (2920, 73036), (2945, 72416), (3040, 70153), (3844, 55480), (4526, 47120), (4712, 45260), (4805, 44384), (4960, 42997), (5548, 38440), (5840, 36518), (5890, 36208), (6935, 30752), (7688, 27740), (9052, 23560), (9424, 22630), (9610, 22192), (11096, 19220), (11315, 18848), (11680, 18259), (11780, 18104), (13870, 15376)]