19693920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 62868960

約数和(自身を除く): 43175040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 461, 480, 534, 712, 890, 922, 1068, 1335, 1383, 1424, 1780, 1844, 2136, 2305, 2670, 2766, 2848, 3560, 3688, 4272, 4610, 5340, 5532, 6915, 7120, 7376, 8544, 9220, 10680, 11064, 13830, 14240, 14752, 18440, 21360, 22128, 27660, 36880, 41029, 42720, 44256, 55320, 73760, 82058, 110640, 123087, 164116, 205145, 221280, 246174, 328232, 410290, 492348, 615435, 656464, 820580, 984696, 1230870, 1312928, 1641160, 1969392, 2461740, 3282320, 3938784, 4923480, 6564640, 9846960, 19693920]

約数ペア:

[(1, 19693920), (2, 9846960), (3, 6564640), (4, 4923480), (5, 3938784), (6, 3282320), (8, 2461740), (10, 1969392), (12, 1641160), (15, 1312928), (16, 1230870), (20, 984696), (24, 820580), (30, 656464), (32, 615435), (40, 492348), (48, 410290), (60, 328232), (80, 246174), (89, 221280), (96, 205145), (120, 164116), (160, 123087), (178, 110640), (240, 82058), (267, 73760), (356, 55320), (445, 44256), (461, 42720), (480, 41029), (534, 36880), (712, 27660), (890, 22128), (922, 21360), (1068, 18440), (1335, 14752), (1383, 14240), (1424, 13830), (1780, 11064), (1844, 10680), (2136, 9220), (2305, 8544), (2670, 7376), (2766, 7120), (2848, 6915), (3560, 5532), (3688, 5340), (4272, 4610)]