31971030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 64796970

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 239, 245, 273, 294, 343, 390, 455, 478, 490, 546, 637, 686, 717, 735, 910, 1029, 1195, 1274, 1365, 1434, 1470, 1673, 1715, 1911, 2058, 2390, 2730, 3107, 3185, 3346, 3430, 3585, 3822, 4459, 5019, 5145, 6214, 6370, 7170, 8365, 8918, 9321, 9555, 10038, 10290, 11711, 13377, 15535, 16730, 18642, 19110, 21749, 22295, 23422, 25095, 26754, 31070, 35133, 43498, 44590, 46605, 50190, 58555, 65247, 66885, 70266, 81977, 93210, 108745, 117110, 130494, 133770, 152243, 163954, 175665, 217490, 245931, 304486, 326235, 351330, 409885, 456729, 491862, 652470, 761215, 819770, 913458, 1065701, 1229655, 1522430, 2131402, 2283645, 2459310, 3197103, 4567290, 5328505, 6394206, 10657010, 15985515, 31971030]

約数ペア:

[(1, 31971030), (2, 15985515), (3, 10657010), (5, 6394206), (6, 5328505), (7, 4567290), (10, 3197103), (13, 2459310), (14, 2283645), (15, 2131402), (21, 1522430), (26, 1229655), (30, 1065701), (35, 913458), (39, 819770), (42, 761215), (49, 652470), (65, 491862), (70, 456729), (78, 409885), (91, 351330), (98, 326235), (105, 304486), (130, 245931), (147, 217490), (182, 175665), (195, 163954), (210, 152243), (239, 133770), (245, 130494), (273, 117110), (294, 108745), (343, 93210), (390, 81977), (455, 70266), (478, 66885), (490, 65247), (546, 58555), (637, 50190), (686, 46605), (717, 44590), (735, 43498), (910, 35133), (1029, 31070), (1195, 26754), (1274, 25095), (1365, 23422), (1434, 22295), (1470, 21749), (1673, 19110), (1715, 18642), (1911, 16730), (2058, 15535), (2390, 13377), (2730, 11711), (3107, 10290), (3185, 10038), (3346, 9555), (3430, 9321), (3585, 8918), (3822, 8365), (4459, 7170), (5019, 6370), (5145, 6214)]