291290240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:730

約数の個数: 128

約数和(自身を含む): 756468720

約数和(自身を除く): 465178480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 272, 320, 328, 340, 410, 544, 640, 653, 656, 680, 697, 820, 1088, 1306, 1312, 1360, 1394, 1640, 2176, 2612, 2624, 2720, 2788, 3265, 3280, 3485, 5224, 5248, 5440, 5576, 6530, 6560, 6970, 10448, 10880, 11101, 11152, 13060, 13120, 13940, 20896, 22202, 22304, 26120, 26240, 26773, 27880, 41792, 44404, 44608, 52240, 53546, 55505, 55760, 83584, 88808, 89216, 104480, 107092, 111010, 111520, 133865, 177616, 208960, 214184, 222020, 223040, 267730, 355232, 417920, 428368, 444040, 446080, 455141, 535460, 710464, 856736, 888080, 910282, 1070920, 1420928, 1713472, 1776160, 1820564, 2141840, 2275705, 3426944, 3552320, 3641128, 4283680, 4551410, 7104640, 7282256, 8567360, 9102820, 14564512, 17134720, 18205640, 29129024, 36411280, 58258048, 72822560, 145645120, 291290240]

約数ペア:

[(1, 291290240), (2, 145645120), (4, 72822560), (5, 58258048), (8, 36411280), (10, 29129024), (16, 18205640), (17, 17134720), (20, 14564512), (32, 9102820), (34, 8567360), (40, 7282256), (41, 7104640), (64, 4551410), (68, 4283680), (80, 3641128), (82, 3552320), (85, 3426944), (128, 2275705), (136, 2141840), (160, 1820564), (164, 1776160), (170, 1713472), (205, 1420928), (272, 1070920), (320, 910282), (328, 888080), (340, 856736), (410, 710464), (544, 535460), (640, 455141), (653, 446080), (656, 444040), (680, 428368), (697, 417920), (820, 355232), (1088, 267730), (1306, 223040), (1312, 222020), (1360, 214184), (1394, 208960), (1640, 177616), (2176, 133865), (2612, 111520), (2624, 111010), (2720, 107092), (2788, 104480), (3265, 89216), (3280, 88808), (3485, 83584), (5224, 55760), (5248, 55505), (5440, 53546), (5576, 52240), (6530, 44608), (6560, 44404), (6970, 41792), (10448, 27880), (10880, 26773), (11101, 26240), (11152, 26120), (13060, 22304), (13120, 22202), (13940, 20896)]