128981040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 160

約数和(自身を含む): 428918976

約数和(自身を除く): 299937936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 101, 102, 120, 136, 170, 202, 204, 240, 255, 272, 303, 313, 340, 404, 408, 505, 510, 606, 626, 680, 808, 816, 939, 1010, 1020, 1212, 1252, 1360, 1515, 1565, 1616, 1717, 1878, 2020, 2040, 2424, 2504, 3030, 3130, 3434, 3756, 4040, 4080, 4695, 4848, 5008, 5151, 5321, 6060, 6260, 6868, 7512, 8080, 8585, 9390, 10302, 10642, 12120, 12520, 13736, 15024, 15963, 17170, 18780, 20604, 21284, 24240, 25040, 25755, 26605, 27472, 31613, 31926, 34340, 37560, 41208, 42568, 51510, 53210, 63226, 63852, 68680, 75120, 79815, 82416, 85136, 94839, 103020, 106420, 126452, 127704, 137360, 158065, 159630, 189678, 206040, 212840, 252904, 255408, 316130, 319260, 379356, 412080, 425680, 474195, 505808, 537421, 632260, 638520, 758712, 948390, 1074842, 1264520, 1277040, 1517424, 1612263, 1896780, 2149684, 2529040, 2687105, 3224526, 3793560, 4299368, 5374210, 6449052, 7587120, 8061315, 8598736, 10748420, 12898104, 16122630, 21496840, 25796208, 32245260, 42993680, 64490520, 128981040]

約数ペア:

[(1, 128981040), (2, 64490520), (3, 42993680), (4, 32245260), (5, 25796208), (6, 21496840), (8, 16122630), (10, 12898104), (12, 10748420), (15, 8598736), (16, 8061315), (17, 7587120), (20, 6449052), (24, 5374210), (30, 4299368), (34, 3793560), (40, 3224526), (48, 2687105), (51, 2529040), (60, 2149684), (68, 1896780), (80, 1612263), (85, 1517424), (101, 1277040), (102, 1264520), (120, 1074842), (136, 948390), (170, 758712), (202, 638520), (204, 632260), (240, 537421), (255, 505808), (272, 474195), (303, 425680), (313, 412080), (340, 379356), (404, 319260), (408, 316130), (505, 255408), (510, 252904), (606, 212840), (626, 206040), (680, 189678), (808, 159630), (816, 158065), (939, 137360), (1010, 127704), (1020, 126452), (1212, 106420), (1252, 103020), (1360, 94839), (1515, 85136), (1565, 82416), (1616, 79815), (1717, 75120), (1878, 68680), (2020, 63852), (2040, 63226), (2424, 53210), (2504, 51510), (3030, 42568), (3130, 41208), (3434, 37560), (3756, 34340), (4040, 31926), (4080, 31613), (4695, 27472), (4848, 26605), (5008, 25755), (5151, 25040), (5321, 24240), (6060, 21284), (6260, 20604), (6868, 18780), (7512, 17170), (8080, 15963), (8585, 15024), (9390, 13736), (10302, 12520), (10642, 12120)]