31099140

素因数分解:

$2^2\times 3^9\times 5^1\times {\mathrm{79}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 99200640

約数和(自身を除く): 68101500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 243, 270, 316, 324, 395, 405, 474, 486, 540, 711, 729, 790, 810, 948, 972, 1185, 1215, 1422, 1458, 1580, 1620, 2133, 2187, 2370, 2430, 2844, 2916, 3555, 3645, 4266, 4374, 4740, 4860, 6399, 6561, 7110, 7290, 8532, 8748, 10665, 10935, 12798, 13122, 14220, 14580, 19197, 19683, 21330, 21870, 25596, 26244, 31995, 32805, 38394, 39366, 42660, 43740, 57591, 63990, 65610, 76788, 78732, 95985, 98415, 115182, 127980, 131220, 172773, 191970, 196830, 230364, 287955, 345546, 383940, 393660, 518319, 575910, 691092, 863865, 1036638, 1151820, 1554957, 1727730, 2073276, 2591595, 3109914, 3455460, 5183190, 6219828, 7774785, 10366380, 15549570, 31099140]

約数ペア:

[(1, 31099140), (2, 15549570), (3, 10366380), (4, 7774785), (5, 6219828), (6, 5183190), (9, 3455460), (10, 3109914), (12, 2591595), (15, 2073276), (18, 1727730), (20, 1554957), (27, 1151820), (30, 1036638), (36, 863865), (45, 691092), (54, 575910), (60, 518319), (79, 393660), (81, 383940), (90, 345546), (108, 287955), (135, 230364), (158, 196830), (162, 191970), (180, 172773), (237, 131220), (243, 127980), (270, 115182), (316, 98415), (324, 95985), (395, 78732), (405, 76788), (474, 65610), (486, 63990), (540, 57591), (711, 43740), (729, 42660), (790, 39366), (810, 38394), (948, 32805), (972, 31995), (1185, 26244), (1215, 25596), (1422, 21870), (1458, 21330), (1580, 19683), (1620, 19197), (2133, 14580), (2187, 14220), (2370, 13122), (2430, 12798), (2844, 10935), (2916, 10665), (3555, 8748), (3645, 8532), (4266, 7290), (4374, 7110), (4740, 6561), (4860, 6399)]