20167784080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1578

約数の個数: 240

約数和(自身を含む): 54160104960

約数和(自身を除く): 33992320880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 170, 190, 248, 272, 289, 304, 310, 323, 340, 380, 496, 527, 578, 589, 620, 646, 680, 760, 1054, 1156, 1178, 1240, 1292, 1360, 1445, 1481, 1520, 1615, 2108, 2312, 2356, 2480, 2584, 2635, 2890, 2945, 2962, 3230, 4216, 4624, 4712, 5168, 5270, 5491, 5780, 5890, 5924, 6460, 7405, 8432, 8959, 9424, 10013, 10540, 10982, 11560, 11780, 11848, 12920, 14810, 17918, 20026, 21080, 21964, 23120, 23560, 23696, 25177, 25840, 27455, 28139, 29620, 35836, 40052, 42160, 43928, 44795, 45911, 47120, 50065, 50354, 54910, 56278, 59240, 71672, 80104, 87856, 89590, 91822, 100130, 100708, 109820, 112556, 118480, 125885, 140695, 143344, 160208, 170221, 179180, 183644, 200260, 201416, 219640, 225112, 229555, 251770, 281390, 340442, 358360, 367288, 400520, 402832, 428009, 439280, 450224, 459110, 478363, 503540, 562780, 680884, 716720, 734576, 780487, 801040, 851105, 856018, 872309, 918220, 956726, 1007080, 1125560, 1361768, 1560974, 1702210, 1712036, 1744618, 1836440, 1913452, 2014160, 2140045, 2251120, 2391815, 2723536, 3121948, 3404420, 3424072, 3489236, 3672880, 3826904, 3902435, 4280090, 4361545, 4783630, 6243896, 6808840, 6848144, 6978472, 7653808, 7804870, 8132171, 8560180, 8723090, 9567260, 12487792, 13268279, 13617680, 13956944, 14829253, 15609740, 16264342, 17120360, 17446180, 19134520, 26536558, 29658506, 31219480, 32528684, 34240720, 34892360, 38269040, 40660855, 53073116, 59317012, 62438960, 65057368, 66341395, 69784720, 74146265, 81321710, 106146232, 118634024, 130114736, 132682790, 148292530, 162643420, 212292464, 237268048, 252097301, 265365580, 296585060, 325286840, 504194602, 530731160, 593170120, 650573680, 1008389204, 1061462320, 1186340240, 1260486505, 2016778408, 2520973010, 4033556816, 5041946020, 10083892040, 20167784080]

約数ペア:

[(1, 20167784080), (2, 10083892040), (4, 5041946020), (5, 4033556816), (8, 2520973010), (10, 2016778408), (16, 1260486505), (17, 1186340240), (19, 1061462320), (20, 1008389204), (31, 650573680), (34, 593170120), (38, 530731160), (40, 504194602), (62, 325286840), (68, 296585060), (76, 265365580), (80, 252097301), (85, 237268048), (95, 212292464), (124, 162643420), (136, 148292530), (152, 132682790), (155, 130114736), (170, 118634024), (190, 106146232), (248, 81321710), (272, 74146265), (289, 69784720), (304, 66341395), (310, 65057368), (323, 62438960), (340, 59317012), (380, 53073116), (496, 40660855), (527, 38269040), (578, 34892360), (589, 34240720), (620, 32528684), (646, 31219480), (680, 29658506), (760, 26536558), (1054, 19134520), (1156, 17446180), (1178, 17120360), (1240, 16264342), (1292, 15609740), (1360, 14829253), (1445, 13956944), (1481, 13617680), (1520, 13268279), (1615, 12487792), (2108, 9567260), (2312, 8723090), (2356, 8560180), (2480, 8132171), (2584, 7804870), (2635, 7653808), (2890, 6978472), (2945, 6848144), (2962, 6808840), (3230, 6243896), (4216, 4783630), (4624, 4361545), (4712, 4280090), (5168, 3902435), (5270, 3826904), (5491, 3672880), (5780, 3489236), (5890, 3424072), (5924, 3404420), (6460, 3121948), (7405, 2723536), (8432, 2391815), (8959, 2251120), (9424, 2140045), (10013, 2014160), (10540, 1913452), (10982, 1836440), (11560, 1744618), (11780, 1712036), (11848, 1702210), (12920, 1560974), (14810, 1361768), (17918, 1125560), (20026, 1007080), (21080, 956726), (21964, 918220), (23120, 872309), (23560, 856018), (23696, 851105), (25177, 801040), (25840, 780487), (27455, 734576), (28139, 716720), (29620, 680884), (35836, 562780), (40052, 503540), (42160, 478363), (43928, 459110), (44795, 450224), (45911, 439280), (47120, 428009), (50065, 402832), (50354, 400520), (54910, 367288), (56278, 358360), (59240, 340442), (71672, 281390), (80104, 251770), (87856, 229555), (89590, 225112), (91822, 219640), (100130, 201416), (100708, 200260), (109820, 183644), (112556, 179180), (118480, 170221), (125885, 160208), (140695, 143344)]