18760680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 46039320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 599, 696, 783, 870, 1044, 1080, 1160, 1198, 1305, 1566, 1740, 1797, 2088, 2396, 2610, 2995, 3132, 3480, 3594, 3915, 4792, 5220, 5391, 5990, 6264, 7188, 7830, 8985, 10440, 10782, 11980, 14376, 15660, 16173, 17371, 17970, 21564, 23960, 26955, 31320, 32346, 34742, 35940, 43128, 52113, 53910, 64692, 69484, 71880, 80865, 86855, 104226, 107820, 129384, 138968, 156339, 161730, 173710, 208452, 215640, 260565, 312678, 323460, 347420, 416904, 469017, 521130, 625356, 646920, 694840, 781695, 938034, 1042260, 1250712, 1563390, 1876068, 2084520, 2345085, 3126780, 3752136, 4690170, 6253560, 9380340, 18760680]

約数ペア:

[(1, 18760680), (2, 9380340), (3, 6253560), (4, 4690170), (5, 3752136), (6, 3126780), (8, 2345085), (9, 2084520), (10, 1876068), (12, 1563390), (15, 1250712), (18, 1042260), (20, 938034), (24, 781695), (27, 694840), (29, 646920), (30, 625356), (36, 521130), (40, 469017), (45, 416904), (54, 347420), (58, 323460), (60, 312678), (72, 260565), (87, 215640), (90, 208452), (108, 173710), (116, 161730), (120, 156339), (135, 138968), (145, 129384), (174, 107820), (180, 104226), (216, 86855), (232, 80865), (261, 71880), (270, 69484), (290, 64692), (348, 53910), (360, 52113), (435, 43128), (522, 35940), (540, 34742), (580, 32346), (599, 31320), (696, 26955), (783, 23960), (870, 21564), (1044, 17970), (1080, 17371), (1160, 16173), (1198, 15660), (1305, 14376), (1566, 11980), (1740, 10782), (1797, 10440), (2088, 8985), (2396, 7830), (2610, 7188), (2995, 6264), (3132, 5990), (3480, 5391), (3594, 5220), (3915, 4792)]