1999646568

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{571}}^1$

素因数の和:1140

約数の個数: 128

約数和(自身を含む): 5754777600

約数和(自身を除く): 3755131032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 523, 558, 571, 744, 837, 1046, 1116, 1142, 1569, 1674, 1713, 2092, 2232, 2284, 3138, 3348, 3426, 4184, 4568, 4707, 5139, 6276, 6696, 6852, 9414, 10278, 12552, 13704, 14121, 15417, 16213, 17701, 18828, 20556, 28242, 30834, 32426, 35402, 37656, 41112, 48639, 53103, 56484, 61668, 64852, 70804, 97278, 106206, 112968, 123336, 129704, 141608, 145917, 159309, 194556, 212412, 291834, 298633, 318618, 389112, 424824, 437751, 477927, 583668, 597266, 637236, 875502, 895899, 955854, 1167336, 1194532, 1274472, 1751004, 1791798, 1911708, 2389064, 2687697, 3502008, 3583596, 3823416, 5375394, 7167192, 8063091, 9257623, 10750788, 16126182, 18515246, 21501576, 27772869, 32252364, 37030492, 55545738, 64504728, 74060984, 83318607, 111091476, 166637214, 222182952, 249955821, 333274428, 499911642, 666548856, 999823284, 1999646568]

約数ペア:

[(1, 1999646568), (2, 999823284), (3, 666548856), (4, 499911642), (6, 333274428), (8, 249955821), (9, 222182952), (12, 166637214), (18, 111091476), (24, 83318607), (27, 74060984), (31, 64504728), (36, 55545738), (54, 37030492), (62, 32252364), (72, 27772869), (93, 21501576), (108, 18515246), (124, 16126182), (186, 10750788), (216, 9257623), (248, 8063091), (279, 7167192), (372, 5375394), (523, 3823416), (558, 3583596), (571, 3502008), (744, 2687697), (837, 2389064), (1046, 1911708), (1116, 1791798), (1142, 1751004), (1569, 1274472), (1674, 1194532), (1713, 1167336), (2092, 955854), (2232, 895899), (2284, 875502), (3138, 637236), (3348, 597266), (3426, 583668), (4184, 477927), (4568, 437751), (4707, 424824), (5139, 389112), (6276, 318618), (6696, 298633), (6852, 291834), (9414, 212412), (10278, 194556), (12552, 159309), (13704, 145917), (14121, 141608), (15417, 129704), (16213, 123336), (17701, 112968), (18828, 106206), (20556, 97278), (28242, 70804), (30834, 64852), (32426, 61668), (35402, 56484), (37656, 53103), (41112, 48639)]