31977540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:682

約数の個数: 144

約数和(自身を含む): 113742720

約数和(自身を除く): 81765180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 619, 630, 738, 820, 861, 1148, 1230, 1238, 1260, 1435, 1476, 1722, 1845, 1857, 2460, 2476, 2583, 2870, 3095, 3444, 3690, 3714, 4305, 4333, 5166, 5571, 5740, 6190, 7380, 7428, 8610, 8666, 9285, 10332, 11142, 12380, 12915, 12999, 17220, 17332, 18570, 21665, 22284, 25379, 25830, 25998, 27855, 37140, 38997, 43330, 50758, 51660, 51996, 55710, 64995, 76137, 77994, 86660, 101516, 111420, 126895, 129990, 152274, 155988, 177653, 194985, 228411, 253790, 259980, 304548, 355306, 380685, 389970, 456822, 507580, 532959, 710612, 761370, 779940, 888265, 913644, 1065918, 1142055, 1522740, 1598877, 1776530, 2131836, 2284110, 2664795, 3197754, 3553060, 4568220, 5329590, 6395508, 7994385, 10659180, 15988770, 31977540]

約数ペア:

[(1, 31977540), (2, 15988770), (3, 10659180), (4, 7994385), (5, 6395508), (6, 5329590), (7, 4568220), (9, 3553060), (10, 3197754), (12, 2664795), (14, 2284110), (15, 2131836), (18, 1776530), (20, 1598877), (21, 1522740), (28, 1142055), (30, 1065918), (35, 913644), (36, 888265), (41, 779940), (42, 761370), (45, 710612), (60, 532959), (63, 507580), (70, 456822), (82, 389970), (84, 380685), (90, 355306), (105, 304548), (123, 259980), (126, 253790), (140, 228411), (164, 194985), (180, 177653), (205, 155988), (210, 152274), (246, 129990), (252, 126895), (287, 111420), (315, 101516), (369, 86660), (410, 77994), (420, 76137), (492, 64995), (574, 55710), (615, 51996), (619, 51660), (630, 50758), (738, 43330), (820, 38997), (861, 37140), (1148, 27855), (1230, 25998), (1238, 25830), (1260, 25379), (1435, 22284), (1476, 21665), (1722, 18570), (1845, 17332), (1857, 17220), (2460, 12999), (2476, 12915), (2583, 12380), (2870, 11142), (3095, 10332), (3444, 9285), (3690, 8666), (3714, 8610), (4305, 7428), (4333, 7380), (5166, 6190), (5571, 5740)]