2806920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 9849600

約数和(自身を除く): 7042680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 113, 115, 120, 135, 138, 180, 184, 207, 216, 226, 230, 270, 276, 339, 345, 360, 414, 452, 460, 540, 552, 565, 621, 678, 690, 828, 904, 920, 1017, 1035, 1080, 1130, 1242, 1356, 1380, 1656, 1695, 2034, 2070, 2260, 2484, 2599, 2712, 2760, 3051, 3105, 3390, 4068, 4140, 4520, 4968, 5085, 5198, 6102, 6210, 6780, 7797, 8136, 8280, 10170, 10396, 12204, 12420, 12995, 13560, 15255, 15594, 20340, 20792, 23391, 24408, 24840, 25990, 30510, 31188, 38985, 40680, 46782, 51980, 61020, 62376, 70173, 77970, 93564, 103960, 116955, 122040, 140346, 155940, 187128, 233910, 280692, 311880, 350865, 467820, 561384, 701730, 935640, 1403460, 2806920]

約数ペア:

[(1, 2806920), (2, 1403460), (3, 935640), (4, 701730), (5, 561384), (6, 467820), (8, 350865), (9, 311880), (10, 280692), (12, 233910), (15, 187128), (18, 155940), (20, 140346), (23, 122040), (24, 116955), (27, 103960), (30, 93564), (36, 77970), (40, 70173), (45, 62376), (46, 61020), (54, 51980), (60, 46782), (69, 40680), (72, 38985), (90, 31188), (92, 30510), (108, 25990), (113, 24840), (115, 24408), (120, 23391), (135, 20792), (138, 20340), (180, 15594), (184, 15255), (207, 13560), (216, 12995), (226, 12420), (230, 12204), (270, 10396), (276, 10170), (339, 8280), (345, 8136), (360, 7797), (414, 6780), (452, 6210), (460, 6102), (540, 5198), (552, 5085), (565, 4968), (621, 4520), (678, 4140), (690, 4068), (828, 3390), (904, 3105), (920, 3051), (1017, 2760), (1035, 2712), (1080, 2599), (1130, 2484), (1242, 2260), (1356, 2070), (1380, 2034), (1656, 1695)]