1338240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 4626720

約数和(自身を除く): 3288480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 41, 48, 51, 60, 64, 68, 80, 82, 85, 96, 102, 120, 123, 128, 136, 160, 164, 170, 192, 204, 205, 240, 246, 255, 272, 320, 328, 340, 384, 408, 410, 480, 492, 510, 544, 615, 640, 656, 680, 697, 816, 820, 960, 984, 1020, 1088, 1230, 1312, 1360, 1394, 1632, 1640, 1920, 1968, 2040, 2091, 2176, 2460, 2624, 2720, 2788, 3264, 3280, 3485, 3936, 4080, 4182, 4920, 5248, 5440, 5576, 6528, 6560, 6970, 7872, 8160, 8364, 9840, 10455, 10880, 11152, 13120, 13940, 15744, 16320, 16728, 19680, 20910, 22304, 26240, 27880, 32640, 33456, 39360, 41820, 44608, 55760, 66912, 78720, 83640, 89216, 111520, 133824, 167280, 223040, 267648, 334560, 446080, 669120, 1338240]

約数ペア:

[(1, 1338240), (2, 669120), (3, 446080), (4, 334560), (5, 267648), (6, 223040), (8, 167280), (10, 133824), (12, 111520), (15, 89216), (16, 83640), (17, 78720), (20, 66912), (24, 55760), (30, 44608), (32, 41820), (34, 39360), (40, 33456), (41, 32640), (48, 27880), (51, 26240), (60, 22304), (64, 20910), (68, 19680), (80, 16728), (82, 16320), (85, 15744), (96, 13940), (102, 13120), (120, 11152), (123, 10880), (128, 10455), (136, 9840), (160, 8364), (164, 8160), (170, 7872), (192, 6970), (204, 6560), (205, 6528), (240, 5576), (246, 5440), (255, 5248), (272, 4920), (320, 4182), (328, 4080), (340, 3936), (384, 3485), (408, 3280), (410, 3264), (480, 2788), (492, 2720), (510, 2624), (544, 2460), (615, 2176), (640, 2091), (656, 2040), (680, 1968), (697, 1920), (816, 1640), (820, 1632), (960, 1394), (984, 1360), (1020, 1312), (1088, 1230)]