15361880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 128

約数和(自身を含む): 40824000

約数和(自身を除く): 25462120

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 41, 58, 68, 76, 82, 85, 95, 116, 136, 145, 152, 164, 170, 190, 205, 232, 290, 323, 328, 340, 380, 410, 493, 551, 580, 646, 680, 697, 760, 779, 820, 986, 1102, 1160, 1189, 1292, 1394, 1558, 1615, 1640, 1972, 2204, 2378, 2465, 2584, 2755, 2788, 3116, 3230, 3485, 3895, 3944, 4408, 4756, 4930, 5510, 5576, 5945, 6232, 6460, 6970, 7790, 9367, 9512, 9860, 11020, 11890, 12920, 13243, 13940, 15580, 18734, 19720, 20213, 22040, 22591, 23780, 26486, 27880, 31160, 37468, 40426, 45182, 46835, 47560, 52972, 66215, 74936, 80852, 90364, 93670, 101065, 105944, 112955, 132430, 161704, 180728, 187340, 202130, 225910, 264860, 374680, 384047, 404260, 451820, 529720, 768094, 808520, 903640, 1536188, 1920235, 3072376, 3840470, 7680940, 15361880]

約数ペア:

[(1, 15361880), (2, 7680940), (4, 3840470), (5, 3072376), (8, 1920235), (10, 1536188), (17, 903640), (19, 808520), (20, 768094), (29, 529720), (34, 451820), (38, 404260), (40, 384047), (41, 374680), (58, 264860), (68, 225910), (76, 202130), (82, 187340), (85, 180728), (95, 161704), (116, 132430), (136, 112955), (145, 105944), (152, 101065), (164, 93670), (170, 90364), (190, 80852), (205, 74936), (232, 66215), (290, 52972), (323, 47560), (328, 46835), (340, 45182), (380, 40426), (410, 37468), (493, 31160), (551, 27880), (580, 26486), (646, 23780), (680, 22591), (697, 22040), (760, 20213), (779, 19720), (820, 18734), (986, 15580), (1102, 13940), (1160, 13243), (1189, 12920), (1292, 11890), (1394, 11020), (1558, 9860), (1615, 9512), (1640, 9367), (1972, 7790), (2204, 6970), (2378, 6460), (2465, 6232), (2584, 5945), (2755, 5576), (2788, 5510), (3116, 4930), (3230, 4756), (3485, 4408), (3895, 3944)]