2129749120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3306

約数の個数: 128

約数和(自身を含む): 5481010800

約数和(自身を除く): 3351261680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 128, 136, 160, 170, 244, 272, 305, 320, 340, 488, 544, 610, 640, 680, 976, 1037, 1088, 1220, 1360, 1952, 2074, 2176, 2440, 2720, 3209, 3904, 4148, 4880, 5185, 5440, 6418, 7808, 8296, 9760, 10370, 10880, 12836, 16045, 16592, 19520, 20740, 25672, 32090, 33184, 39040, 41480, 51344, 54553, 64180, 66368, 82960, 102688, 109106, 128360, 132736, 165920, 195749, 205376, 218212, 256720, 272765, 331840, 391498, 410752, 436424, 513440, 545530, 663680, 782996, 872848, 978745, 1026880, 1091060, 1565992, 1745696, 1957490, 2053760, 2182120, 3131984, 3327733, 3491392, 3914980, 4364240, 6263968, 6655466, 6982784, 7829960, 8728480, 12527936, 13310932, 15659920, 16638665, 17456960, 25055872, 26621864, 31319840, 33277330, 34913920, 53243728, 62639680, 66554660, 106487456, 125279360, 133109320, 212974912, 266218640, 425949824, 532437280, 1064874560, 2129749120]

約数ペア:

[(1, 2129749120), (2, 1064874560), (4, 532437280), (5, 425949824), (8, 266218640), (10, 212974912), (16, 133109320), (17, 125279360), (20, 106487456), (32, 66554660), (34, 62639680), (40, 53243728), (61, 34913920), (64, 33277330), (68, 31319840), (80, 26621864), (85, 25055872), (122, 17456960), (128, 16638665), (136, 15659920), (160, 13310932), (170, 12527936), (244, 8728480), (272, 7829960), (305, 6982784), (320, 6655466), (340, 6263968), (488, 4364240), (544, 3914980), (610, 3491392), (640, 3327733), (680, 3131984), (976, 2182120), (1037, 2053760), (1088, 1957490), (1220, 1745696), (1360, 1565992), (1952, 1091060), (2074, 1026880), (2176, 978745), (2440, 872848), (2720, 782996), (3209, 663680), (3904, 545530), (4148, 513440), (4880, 436424), (5185, 410752), (5440, 391498), (6418, 331840), (7808, 272765), (8296, 256720), (9760, 218212), (10370, 205376), (10880, 195749), (12836, 165920), (16045, 132736), (16592, 128360), (19520, 109106), (20740, 102688), (25672, 82960), (32090, 66368), (33184, 64180), (39040, 54553), (41480, 51344)]