181915020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{409}}^1$

素因数の和:784

約数の個数: 144

約数和(自身を含む): 633971520

約数和(自身を除く): 452056500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 353, 409, 420, 630, 706, 818, 1059, 1227, 1260, 1412, 1636, 1765, 2045, 2118, 2454, 2471, 2863, 3177, 3530, 3681, 4090, 4236, 4908, 4942, 5295, 5726, 6135, 6354, 7060, 7362, 7413, 8180, 8589, 9884, 10590, 11452, 12270, 12355, 12708, 14315, 14724, 14826, 15885, 17178, 18405, 21180, 22239, 24540, 24710, 25767, 28630, 29652, 31770, 34356, 36810, 37065, 42945, 44478, 49420, 51534, 57260, 63540, 73620, 74130, 85890, 88956, 103068, 111195, 128835, 144377, 148260, 171780, 222390, 257670, 288754, 433131, 444780, 515340, 577508, 721885, 866262, 1010639, 1299393, 1443770, 1732524, 2021278, 2165655, 2598786, 2887540, 3031917, 4042556, 4331310, 5053195, 5197572, 6063834, 6496965, 8662620, 9095751, 10106390, 12127668, 12993930, 15159585, 18191502, 20212780, 25987860, 30319170, 36383004, 45478755, 60638340, 90957510, 181915020]

約数ペア:

[(1, 181915020), (2, 90957510), (3, 60638340), (4, 45478755), (5, 36383004), (6, 30319170), (7, 25987860), (9, 20212780), (10, 18191502), (12, 15159585), (14, 12993930), (15, 12127668), (18, 10106390), (20, 9095751), (21, 8662620), (28, 6496965), (30, 6063834), (35, 5197572), (36, 5053195), (42, 4331310), (45, 4042556), (60, 3031917), (63, 2887540), (70, 2598786), (84, 2165655), (90, 2021278), (105, 1732524), (126, 1443770), (140, 1299393), (180, 1010639), (210, 866262), (252, 721885), (315, 577508), (353, 515340), (409, 444780), (420, 433131), (630, 288754), (706, 257670), (818, 222390), (1059, 171780), (1227, 148260), (1260, 144377), (1412, 128835), (1636, 111195), (1765, 103068), (2045, 88956), (2118, 85890), (2454, 74130), (2471, 73620), (2863, 63540), (3177, 57260), (3530, 51534), (3681, 49420), (4090, 44478), (4236, 42945), (4908, 37065), (4942, 36810), (5295, 34356), (5726, 31770), (6135, 29652), (6354, 28630), (7060, 25767), (7362, 24710), (7413, 24540), (8180, 22239), (8589, 21180), (9884, 18405), (10590, 17178), (11452, 15885), (12270, 14826), (12355, 14724), (12708, 14315)]