31941480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 102021120

約数和(自身を除く): 70079640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 163, 184, 213, 230, 276, 284, 326, 345, 355, 426, 460, 489, 552, 568, 652, 690, 710, 815, 852, 920, 978, 1065, 1304, 1380, 1420, 1630, 1633, 1704, 1956, 2130, 2445, 2760, 2840, 3260, 3266, 3749, 3912, 4260, 4890, 4899, 6520, 6532, 7498, 8165, 8520, 9780, 9798, 11247, 11573, 13064, 14996, 16330, 18745, 19560, 19596, 22494, 23146, 24495, 29992, 32660, 34719, 37490, 39192, 44988, 46292, 48990, 56235, 57865, 65320, 69438, 74980, 89976, 92584, 97980, 112470, 115730, 138876, 149960, 173595, 195960, 224940, 231460, 266179, 277752, 347190, 449880, 462920, 532358, 694380, 798537, 1064716, 1330895, 1388760, 1597074, 2129432, 2661790, 3194148, 3992685, 5323580, 6388296, 7985370, 10647160, 15970740, 31941480]

約数ペア:

[(1, 31941480), (2, 15970740), (3, 10647160), (4, 7985370), (5, 6388296), (6, 5323580), (8, 3992685), (10, 3194148), (12, 2661790), (15, 2129432), (20, 1597074), (23, 1388760), (24, 1330895), (30, 1064716), (40, 798537), (46, 694380), (60, 532358), (69, 462920), (71, 449880), (92, 347190), (115, 277752), (120, 266179), (138, 231460), (142, 224940), (163, 195960), (184, 173595), (213, 149960), (230, 138876), (276, 115730), (284, 112470), (326, 97980), (345, 92584), (355, 89976), (426, 74980), (460, 69438), (489, 65320), (552, 57865), (568, 56235), (652, 48990), (690, 46292), (710, 44988), (815, 39192), (852, 37490), (920, 34719), (978, 32660), (1065, 29992), (1304, 24495), (1380, 23146), (1420, 22494), (1630, 19596), (1633, 19560), (1704, 18745), (1956, 16330), (2130, 14996), (2445, 13064), (2760, 11573), (2840, 11247), (3260, 9798), (3266, 9780), (3749, 8520), (3912, 8165), (4260, 7498), (4890, 6532), (4899, 6520)]