23661990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 71331840

約数和(自身を除く): 47669850

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 135, 155, 165, 186, 198, 257, 270, 279, 297, 310, 330, 341, 465, 495, 514, 558, 594, 682, 771, 837, 930, 990, 1023, 1285, 1395, 1485, 1542, 1674, 1705, 2046, 2313, 2570, 2790, 2827, 2970, 3069, 3410, 3855, 4185, 4626, 5115, 5654, 6138, 6939, 7710, 7967, 8370, 8481, 9207, 10230, 11565, 13878, 14135, 15345, 15934, 16962, 18414, 23130, 23901, 25443, 28270, 30690, 34695, 39835, 42405, 46035, 47802, 50886, 69390, 71703, 76329, 79670, 84810, 87637, 92070, 119505, 127215, 143406, 152658, 175274, 215109, 239010, 254430, 262911, 358515, 381645, 430218, 438185, 525822, 717030, 763290, 788733, 876370, 1075545, 1314555, 1577466, 2151090, 2366199, 2629110, 3943665, 4732398, 7887330, 11830995, 23661990]

約数ペア:

[(1, 23661990), (2, 11830995), (3, 7887330), (5, 4732398), (6, 3943665), (9, 2629110), (10, 2366199), (11, 2151090), (15, 1577466), (18, 1314555), (22, 1075545), (27, 876370), (30, 788733), (31, 763290), (33, 717030), (45, 525822), (54, 438185), (55, 430218), (62, 381645), (66, 358515), (90, 262911), (93, 254430), (99, 239010), (110, 215109), (135, 175274), (155, 152658), (165, 143406), (186, 127215), (198, 119505), (257, 92070), (270, 87637), (279, 84810), (297, 79670), (310, 76329), (330, 71703), (341, 69390), (465, 50886), (495, 47802), (514, 46035), (558, 42405), (594, 39835), (682, 34695), (771, 30690), (837, 28270), (930, 25443), (990, 23901), (1023, 23130), (1285, 18414), (1395, 16962), (1485, 15934), (1542, 15345), (1674, 14135), (1705, 13878), (2046, 11565), (2313, 10230), (2570, 9207), (2790, 8481), (2827, 8370), (2970, 7967), (3069, 7710), (3410, 6939), (3855, 6138), (4185, 5654), (4626, 5115)]