2586905820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1\times {\mathrm{499}}^1$

素因数の和:944

約数の個数: 144

約数和(自身を含む): 7980336000

約数和(自身を除く): 5393430180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 347, 415, 498, 499, 694, 747, 830, 996, 998, 1041, 1245, 1388, 1494, 1497, 1660, 1735, 1996, 2082, 2490, 2495, 2988, 2994, 3123, 3470, 3735, 4164, 4491, 4980, 4990, 5205, 5988, 6246, 6940, 7470, 7485, 8982, 9980, 10410, 12492, 14940, 14970, 15615, 17964, 20820, 22455, 28801, 29940, 31230, 41417, 44910, 57602, 62460, 82834, 86403, 89820, 115204, 124251, 144005, 165668, 172806, 173153, 207085, 248502, 259209, 288010, 345612, 346306, 372753, 414170, 432015, 497004, 518418, 519459, 576020, 621255, 692612, 745506, 828340, 864030, 865765, 1036836, 1038918, 1242510, 1296045, 1491012, 1558377, 1728060, 1731530, 1863765, 2077836, 2485020, 2592090, 2597295, 3116754, 3463060, 3727530, 5184180, 5194590, 6233508, 7455060, 7791885, 10389180, 14371699, 15583770, 28743398, 31167540, 43115097, 57486796, 71858495, 86230194, 129345291, 143716990, 172460388, 215575485, 258690582, 287433980, 431150970, 517381164, 646726455, 862301940, 1293452910, 2586905820]

約数ペア:

[(1, 2586905820), (2, 1293452910), (3, 862301940), (4, 646726455), (5, 517381164), (6, 431150970), (9, 287433980), (10, 258690582), (12, 215575485), (15, 172460388), (18, 143716990), (20, 129345291), (30, 86230194), (36, 71858495), (45, 57486796), (60, 43115097), (83, 31167540), (90, 28743398), (166, 15583770), (180, 14371699), (249, 10389180), (332, 7791885), (347, 7455060), (415, 6233508), (498, 5194590), (499, 5184180), (694, 3727530), (747, 3463060), (830, 3116754), (996, 2597295), (998, 2592090), (1041, 2485020), (1245, 2077836), (1388, 1863765), (1494, 1731530), (1497, 1728060), (1660, 1558377), (1735, 1491012), (1996, 1296045), (2082, 1242510), (2490, 1038918), (2495, 1036836), (2988, 865765), (2994, 864030), (3123, 828340), (3470, 745506), (3735, 692612), (4164, 621255), (4491, 576020), (4980, 519459), (4990, 518418), (5205, 497004), (5988, 432015), (6246, 414170), (6940, 372753), (7470, 346306), (7485, 345612), (8982, 288010), (9980, 259209), (10410, 248502), (12492, 207085), (14940, 173153), (14970, 172806), (15615, 165668), (17964, 144005), (20820, 124251), (22455, 115204), (28801, 89820), (29940, 86403), (31230, 82834), (41417, 62460), (44910, 57602)]