389496720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1801

約数の個数: 160

約数和(自身を含む): 1291417344

約数和(自身を除く): 901920624

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, 92, 115, 120, 123, 138, 164, 184, 205, 230, 240, 246, 276, 328, 345, 368, 410, 460, 492, 552, 615, 656, 690, 820, 920, 943, 984, 1104, 1230, 1380, 1640, 1721, 1840, 1886, 1968, 2460, 2760, 2829, 3280, 3442, 3772, 4715, 4920, 5163, 5520, 5658, 6884, 7544, 8605, 9430, 9840, 10326, 11316, 13768, 14145, 15088, 17210, 18860, 20652, 22632, 25815, 27536, 28290, 34420, 37720, 39583, 41304, 45264, 51630, 56580, 68840, 70561, 75440, 79166, 82608, 103260, 113160, 118749, 137680, 141122, 158332, 197915, 206520, 211683, 226320, 237498, 282244, 316664, 352805, 395830, 413040, 423366, 474996, 564488, 593745, 633328, 705610, 791660, 846732, 949992, 1058415, 1128976, 1187490, 1411220, 1583320, 1622903, 1693464, 1899984, 2116830, 2374980, 2822440, 3166640, 3245806, 3386928, 4233660, 4749960, 4868709, 5644880, 6491612, 8114515, 8467320, 9499920, 9737418, 12983224, 16229030, 16934640, 19474836, 24343545, 25966448, 32458060, 38949672, 48687090, 64916120, 77899344, 97374180, 129832240, 194748360, 389496720]

約数ペア:

[(1, 389496720), (2, 194748360), (3, 129832240), (4, 97374180), (5, 77899344), (6, 64916120), (8, 48687090), (10, 38949672), (12, 32458060), (15, 25966448), (16, 24343545), (20, 19474836), (23, 16934640), (24, 16229030), (30, 12983224), (40, 9737418), (41, 9499920), (46, 8467320), (48, 8114515), (60, 6491612), (69, 5644880), (80, 4868709), (82, 4749960), (92, 4233660), (115, 3386928), (120, 3245806), (123, 3166640), (138, 2822440), (164, 2374980), (184, 2116830), (205, 1899984), (230, 1693464), (240, 1622903), (246, 1583320), (276, 1411220), (328, 1187490), (345, 1128976), (368, 1058415), (410, 949992), (460, 846732), (492, 791660), (552, 705610), (615, 633328), (656, 593745), (690, 564488), (820, 474996), (920, 423366), (943, 413040), (984, 395830), (1104, 352805), (1230, 316664), (1380, 282244), (1640, 237498), (1721, 226320), (1840, 211683), (1886, 206520), (1968, 197915), (2460, 158332), (2760, 141122), (2829, 137680), (3280, 118749), (3442, 113160), (3772, 103260), (4715, 82608), (4920, 79166), (5163, 75440), (5520, 70561), (5658, 68840), (6884, 56580), (7544, 51630), (8605, 45264), (9430, 41304), (9840, 39583), (10326, 37720), (11316, 34420), (13768, 28290), (14145, 27536), (15088, 25815), (17210, 22632), (18860, 20652)]