219187980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3628

約数の個数: 144

約数和(自身を含む): 748919808

約数和(自身を除く): 529731828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2046, 2790, 3069, 3410, 3571, 4092, 5115, 5580, 6138, 6820, 7142, 10230, 10713, 12276, 14284, 15345, 17855, 20460, 21426, 30690, 32139, 35710, 39281, 42852, 53565, 61380, 64278, 71420, 78562, 107130, 110701, 117843, 128556, 157124, 160695, 196405, 214260, 221402, 235686, 321390, 332103, 353529, 392810, 442804, 471372, 553505, 589215, 642780, 664206, 707058, 785620, 996309, 1107010, 1178430, 1217711, 1328412, 1414116, 1660515, 1767645, 1992618, 2214020, 2356860, 2435422, 3321030, 3535290, 3653133, 3985236, 4870844, 4981545, 6088555, 6642060, 7070580, 7306266, 9963090, 10959399, 12177110, 14612532, 18265665, 19926180, 21918798, 24354220, 36531330, 43837596, 54796995, 73062660, 109593990, 219187980]

約数ペア:

[(1, 219187980), (2, 109593990), (3, 73062660), (4, 54796995), (5, 43837596), (6, 36531330), (9, 24354220), (10, 21918798), (11, 19926180), (12, 18265665), (15, 14612532), (18, 12177110), (20, 10959399), (22, 9963090), (30, 7306266), (31, 7070580), (33, 6642060), (36, 6088555), (44, 4981545), (45, 4870844), (55, 3985236), (60, 3653133), (62, 3535290), (66, 3321030), (90, 2435422), (93, 2356860), (99, 2214020), (110, 1992618), (124, 1767645), (132, 1660515), (155, 1414116), (165, 1328412), (180, 1217711), (186, 1178430), (198, 1107010), (220, 996309), (279, 785620), (310, 707058), (330, 664206), (341, 642780), (372, 589215), (396, 553505), (465, 471372), (495, 442804), (558, 392810), (620, 353529), (660, 332103), (682, 321390), (930, 235686), (990, 221402), (1023, 214260), (1116, 196405), (1364, 160695), (1395, 157124), (1705, 128556), (1860, 117843), (1980, 110701), (2046, 107130), (2790, 78562), (3069, 71420), (3410, 64278), (3571, 61380), (4092, 53565), (5115, 42852), (5580, 39281), (6138, 35710), (6820, 32139), (7142, 30690), (10230, 21426), (10713, 20460), (12276, 17855), (14284, 15345)]