20142480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 47353200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 41, 46, 48, 60, 69, 80, 82, 89, 92, 115, 120, 123, 138, 164, 178, 184, 205, 230, 240, 246, 267, 276, 328, 345, 356, 368, 410, 445, 460, 492, 534, 552, 615, 656, 690, 712, 820, 890, 920, 943, 984, 1068, 1104, 1230, 1335, 1380, 1424, 1640, 1780, 1840, 1886, 1968, 2047, 2136, 2460, 2670, 2760, 2829, 3280, 3560, 3649, 3772, 4094, 4272, 4715, 4920, 5340, 5520, 5658, 6141, 7120, 7298, 7544, 8188, 9430, 9840, 10235, 10680, 10947, 11316, 12282, 14145, 14596, 15088, 16376, 18245, 18860, 20470, 21360, 21894, 22632, 24564, 28290, 29192, 30705, 32752, 36490, 37720, 40940, 43788, 45264, 49128, 54735, 56580, 58384, 61410, 72980, 75440, 81880, 83927, 87576, 98256, 109470, 113160, 122820, 145960, 163760, 167854, 175152, 218940, 226320, 245640, 251781, 291920, 335708, 419635, 437880, 491280, 503562, 671416, 839270, 875760, 1007124, 1258905, 1342832, 1678540, 2014248, 2517810, 3357080, 4028496, 5035620, 6714160, 10071240, 20142480]

約数ペア:

[(1, 20142480), (2, 10071240), (3, 6714160), (4, 5035620), (5, 4028496), (6, 3357080), (8, 2517810), (10, 2014248), (12, 1678540), (15, 1342832), (16, 1258905), (20, 1007124), (23, 875760), (24, 839270), (30, 671416), (40, 503562), (41, 491280), (46, 437880), (48, 419635), (60, 335708), (69, 291920), (80, 251781), (82, 245640), (89, 226320), (92, 218940), (115, 175152), (120, 167854), (123, 163760), (138, 145960), (164, 122820), (178, 113160), (184, 109470), (205, 98256), (230, 87576), (240, 83927), (246, 81880), (267, 75440), (276, 72980), (328, 61410), (345, 58384), (356, 56580), (368, 54735), (410, 49128), (445, 45264), (460, 43788), (492, 40940), (534, 37720), (552, 36490), (615, 32752), (656, 30705), (690, 29192), (712, 28290), (820, 24564), (890, 22632), (920, 21894), (943, 21360), (984, 20470), (1068, 18860), (1104, 18245), (1230, 16376), (1335, 15088), (1380, 14596), (1424, 14145), (1640, 12282), (1780, 11316), (1840, 10947), (1886, 10680), (1968, 10235), (2047, 9840), (2136, 9430), (2460, 8188), (2670, 7544), (2760, 7298), (2829, 7120), (3280, 6141), (3560, 5658), (3649, 5520), (3772, 5340), (4094, 4920), (4272, 4715)]