1636698320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 4007946600

約数和(自身を除く): 2371248280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 349, 488, 496, 610, 620, 698, 961, 976, 1220, 1240, 1396, 1745, 1891, 1922, 2440, 2480, 2792, 3490, 3782, 3844, 4805, 4880, 5584, 6980, 7564, 7688, 9455, 9610, 10819, 13960, 15128, 15376, 18910, 19220, 21289, 21638, 27920, 30256, 37820, 38440, 42578, 43276, 54095, 58621, 75640, 76880, 85156, 86552, 106445, 108190, 117242, 151280, 170312, 173104, 212890, 216380, 234484, 293105, 335389, 340624, 425780, 432760, 468968, 586210, 659959, 670778, 851560, 865520, 937936, 1172420, 1319918, 1341556, 1676945, 1703120, 2344840, 2639836, 2683112, 3299795, 3353890, 4689680, 5279672, 5366224, 6599590, 6707780, 10559344, 13199180, 13415560, 20458729, 26398360, 26831120, 40917458, 52796720, 81834916, 102293645, 163669832, 204587290, 327339664, 409174580, 818349160, 1636698320]

約数ペア:

[(1, 1636698320), (2, 818349160), (4, 409174580), (5, 327339664), (8, 204587290), (10, 163669832), (16, 102293645), (20, 81834916), (31, 52796720), (40, 40917458), (61, 26831120), (62, 26398360), (80, 20458729), (122, 13415560), (124, 13199180), (155, 10559344), (244, 6707780), (248, 6599590), (305, 5366224), (310, 5279672), (349, 4689680), (488, 3353890), (496, 3299795), (610, 2683112), (620, 2639836), (698, 2344840), (961, 1703120), (976, 1676945), (1220, 1341556), (1240, 1319918), (1396, 1172420), (1745, 937936), (1891, 865520), (1922, 851560), (2440, 670778), (2480, 659959), (2792, 586210), (3490, 468968), (3782, 432760), (3844, 425780), (4805, 340624), (4880, 335389), (5584, 293105), (6980, 234484), (7564, 216380), (7688, 212890), (9455, 173104), (9610, 170312), (10819, 151280), (13960, 117242), (15128, 108190), (15376, 106445), (18910, 86552), (19220, 85156), (21289, 76880), (21638, 75640), (27920, 58621), (30256, 54095), (37820, 43276), (38440, 42578)]