81829770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 128

約数和(自身を含む): 233349120

約数和(自身を除く): 151519350

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 31, 33, 38, 55, 57, 62, 66, 93, 95, 110, 114, 155, 165, 186, 190, 209, 285, 310, 330, 341, 418, 421, 465, 570, 589, 627, 682, 842, 930, 1023, 1045, 1178, 1254, 1263, 1705, 1767, 2046, 2090, 2105, 2526, 2945, 3135, 3410, 3534, 4210, 4631, 5115, 5890, 6270, 6315, 6479, 7999, 8835, 9262, 10230, 12630, 12958, 13051, 13893, 15998, 17670, 19437, 23155, 23997, 26102, 27786, 32395, 38874, 39153, 39995, 46310, 47994, 64790, 65255, 69465, 78306, 79990, 87989, 97185, 119985, 130510, 138930, 143561, 175978, 194370, 195765, 239970, 247969, 263967, 287122, 391530, 430683, 439945, 495938, 527934, 717805, 743907, 861366, 879890, 1239845, 1319835, 1435610, 1487814, 2153415, 2479690, 2639670, 2727659, 3719535, 4306830, 5455318, 7439070, 8182977, 13638295, 16365954, 27276590, 40914885, 81829770]

約数ペア:

[(1, 81829770), (2, 40914885), (3, 27276590), (5, 16365954), (6, 13638295), (10, 8182977), (11, 7439070), (15, 5455318), (19, 4306830), (22, 3719535), (30, 2727659), (31, 2639670), (33, 2479690), (38, 2153415), (55, 1487814), (57, 1435610), (62, 1319835), (66, 1239845), (93, 879890), (95, 861366), (110, 743907), (114, 717805), (155, 527934), (165, 495938), (186, 439945), (190, 430683), (209, 391530), (285, 287122), (310, 263967), (330, 247969), (341, 239970), (418, 195765), (421, 194370), (465, 175978), (570, 143561), (589, 138930), (627, 130510), (682, 119985), (842, 97185), (930, 87989), (1023, 79990), (1045, 78306), (1178, 69465), (1254, 65255), (1263, 64790), (1705, 47994), (1767, 46310), (2046, 39995), (2090, 39153), (2105, 38874), (2526, 32395), (2945, 27786), (3135, 26102), (3410, 23997), (3534, 23155), (4210, 19437), (4631, 17670), (5115, 15998), (5890, 13893), (6270, 13051), (6315, 12958), (6479, 12630), (7999, 10230), (8835, 9262)]