225549180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 716212224

約数和(自身を除く): 490663044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 83, 90, 93, 124, 155, 166, 180, 186, 249, 279, 310, 332, 372, 415, 465, 487, 498, 558, 620, 747, 830, 930, 974, 996, 1116, 1245, 1395, 1461, 1494, 1660, 1860, 1948, 2435, 2490, 2573, 2790, 2922, 2988, 3735, 4383, 4870, 4980, 5146, 5580, 5844, 7305, 7470, 7719, 8766, 9740, 10292, 12865, 14610, 14940, 15097, 15438, 17532, 21915, 23157, 25730, 29220, 30194, 30876, 38595, 40421, 43830, 45291, 46314, 51460, 60388, 75485, 77190, 80842, 87660, 90582, 92628, 115785, 121263, 135873, 150970, 154380, 161684, 181164, 202105, 226455, 231570, 242526, 271746, 301940, 363789, 404210, 452910, 463140, 485052, 543492, 606315, 679365, 727578, 808420, 905820, 1212630, 1253051, 1358730, 1455156, 1818945, 2425260, 2506102, 2717460, 3637890, 3759153, 5012204, 6265255, 7275780, 7518306, 11277459, 12530510, 15036612, 18795765, 22554918, 25061020, 37591530, 45109836, 56387295, 75183060, 112774590, 225549180]

約数ペア:

[(1, 225549180), (2, 112774590), (3, 75183060), (4, 56387295), (5, 45109836), (6, 37591530), (9, 25061020), (10, 22554918), (12, 18795765), (15, 15036612), (18, 12530510), (20, 11277459), (30, 7518306), (31, 7275780), (36, 6265255), (45, 5012204), (60, 3759153), (62, 3637890), (83, 2717460), (90, 2506102), (93, 2425260), (124, 1818945), (155, 1455156), (166, 1358730), (180, 1253051), (186, 1212630), (249, 905820), (279, 808420), (310, 727578), (332, 679365), (372, 606315), (415, 543492), (465, 485052), (487, 463140), (498, 452910), (558, 404210), (620, 363789), (747, 301940), (830, 271746), (930, 242526), (974, 231570), (996, 226455), (1116, 202105), (1245, 181164), (1395, 161684), (1461, 154380), (1494, 150970), (1660, 135873), (1860, 121263), (1948, 115785), (2435, 92628), (2490, 90582), (2573, 87660), (2790, 80842), (2922, 77190), (2988, 75485), (3735, 60388), (4383, 51460), (4870, 46314), (4980, 45291), (5146, 43830), (5580, 40421), (5844, 38595), (7305, 30876), (7470, 30194), (7719, 29220), (8766, 25730), (9740, 23157), (10292, 21915), (12865, 17532), (14610, 15438), (14940, 15097)]