15690720520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{2383}}^1$

素因数の和:2855

約数の個数: 128

約数和(自身を含む): 39115146240

約数和(自身を除く): 23424425720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 421, 460, 680, 782, 842, 920, 1564, 1684, 1955, 2105, 2383, 3128, 3368, 3910, 4210, 4766, 7157, 7820, 8420, 9532, 9683, 11915, 14314, 15640, 16840, 19064, 19366, 23830, 28628, 35785, 38732, 40511, 47660, 48415, 54809, 57256, 71570, 77464, 81022, 95320, 96830, 109618, 143140, 162044, 164611, 193660, 202555, 219236, 274045, 286280, 324088, 329222, 387320, 405110, 438472, 548090, 658444, 810220, 823055, 931753, 1003243, 1096180, 1316888, 1620440, 1646110, 1863506, 2006486, 2192360, 3292220, 3727012, 4012972, 4658765, 5016215, 6584440, 7454024, 8025944, 9317530, 10032430, 17055131, 18635060, 20064860, 23074589, 34110262, 37270120, 40129720, 46149178, 68220524, 85275655, 92298356, 115372945, 136441048, 170551310, 184596712, 230745890, 341102620, 392268013, 461491780, 682205240, 784536026, 922983560, 1569072052, 1961340065, 3138144104, 3922680130, 7845360260, 15690720520]

約数ペア:

[(1, 15690720520), (2, 7845360260), (4, 3922680130), (5, 3138144104), (8, 1961340065), (10, 1569072052), (17, 922983560), (20, 784536026), (23, 682205240), (34, 461491780), (40, 392268013), (46, 341102620), (68, 230745890), (85, 184596712), (92, 170551310), (115, 136441048), (136, 115372945), (170, 92298356), (184, 85275655), (230, 68220524), (340, 46149178), (391, 40129720), (421, 37270120), (460, 34110262), (680, 23074589), (782, 20064860), (842, 18635060), (920, 17055131), (1564, 10032430), (1684, 9317530), (1955, 8025944), (2105, 7454024), (2383, 6584440), (3128, 5016215), (3368, 4658765), (3910, 4012972), (4210, 3727012), (4766, 3292220), (7157, 2192360), (7820, 2006486), (8420, 1863506), (9532, 1646110), (9683, 1620440), (11915, 1316888), (14314, 1096180), (15640, 1003243), (16840, 931753), (19064, 823055), (19366, 810220), (23830, 658444), (28628, 548090), (35785, 438472), (38732, 405110), (40511, 387320), (47660, 329222), (48415, 324088), (54809, 286280), (57256, 274045), (71570, 219236), (77464, 202555), (81022, 193660), (95320, 164611), (96830, 162044), (109618, 143140)]