121507600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 309980160

約数和(自身を除く): 188472560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 41, 50, 62, 80, 82, 100, 124, 155, 164, 200, 205, 239, 248, 310, 328, 400, 410, 478, 496, 620, 656, 775, 820, 956, 1025, 1195, 1240, 1271, 1550, 1640, 1912, 2050, 2390, 2480, 2542, 3100, 3280, 3824, 4100, 4780, 5084, 5975, 6200, 6355, 7409, 8200, 9560, 9799, 10168, 11950, 12400, 12710, 14818, 16400, 19120, 19598, 20336, 23900, 25420, 29636, 31775, 37045, 39196, 47800, 48995, 50840, 59272, 63550, 74090, 78392, 95600, 97990, 101680, 118544, 127100, 148180, 156784, 185225, 195980, 244975, 254200, 296360, 303769, 370450, 391960, 489950, 508400, 592720, 607538, 740900, 783920, 979900, 1215076, 1481800, 1518845, 1959800, 2430152, 2963600, 3037690, 3919600, 4860304, 6075380, 7594225, 12150760, 15188450, 24301520, 30376900, 60753800, 121507600]

約数ペア:

[(1, 121507600), (2, 60753800), (4, 30376900), (5, 24301520), (8, 15188450), (10, 12150760), (16, 7594225), (20, 6075380), (25, 4860304), (31, 3919600), (40, 3037690), (41, 2963600), (50, 2430152), (62, 1959800), (80, 1518845), (82, 1481800), (100, 1215076), (124, 979900), (155, 783920), (164, 740900), (200, 607538), (205, 592720), (239, 508400), (248, 489950), (310, 391960), (328, 370450), (400, 303769), (410, 296360), (478, 254200), (496, 244975), (620, 195980), (656, 185225), (775, 156784), (820, 148180), (956, 127100), (1025, 118544), (1195, 101680), (1240, 97990), (1271, 95600), (1550, 78392), (1640, 74090), (1912, 63550), (2050, 59272), (2390, 50840), (2480, 48995), (2542, 47800), (3100, 39196), (3280, 37045), (3824, 31775), (4100, 29636), (4780, 25420), (5084, 23900), (5975, 20336), (6200, 19598), (6355, 19120), (7409, 16400), (8200, 14818), (9560, 12710), (9799, 12400), (10168, 11950)]