218621340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{3541}}^1$

素因数の和:3577

約数の個数: 144

約数和(自身を含む): 773572800

約数和(自身を除く): 554951460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3087, 3430, 3541, 4116, 4410, 5145, 6174, 6860, 7082, 8820, 10290, 10623, 12348, 14164, 15435, 17705, 20580, 21246, 24787, 30870, 31869, 35410, 42492, 49574, 53115, 61740, 63738, 70820, 74361, 99148, 106230, 123935, 127476, 148722, 159345, 173509, 212460, 223083, 247870, 297444, 318690, 347018, 371805, 446166, 495740, 520527, 637380, 694036, 743610, 867545, 892332, 1041054, 1115415, 1214563, 1487220, 1561581, 1735090, 2082108, 2230830, 2429126, 2602635, 3123162, 3470180, 3643689, 4461660, 4858252, 5205270, 6072815, 6246324, 7287378, 7807905, 10410540, 10931067, 12145630, 14574756, 15615810, 18218445, 21862134, 24291260, 31231620, 36436890, 43724268, 54655335, 72873780, 109310670, 218621340]

約数ペア:

[(1, 218621340), (2, 109310670), (3, 72873780), (4, 54655335), (5, 43724268), (6, 36436890), (7, 31231620), (9, 24291260), (10, 21862134), (12, 18218445), (14, 15615810), (15, 14574756), (18, 12145630), (20, 10931067), (21, 10410540), (28, 7807905), (30, 7287378), (35, 6246324), (36, 6072815), (42, 5205270), (45, 4858252), (49, 4461660), (60, 3643689), (63, 3470180), (70, 3123162), (84, 2602635), (90, 2429126), (98, 2230830), (105, 2082108), (126, 1735090), (140, 1561581), (147, 1487220), (180, 1214563), (196, 1115415), (210, 1041054), (245, 892332), (252, 867545), (294, 743610), (315, 694036), (343, 637380), (420, 520527), (441, 495740), (490, 446166), (588, 371805), (630, 347018), (686, 318690), (735, 297444), (882, 247870), (980, 223083), (1029, 212460), (1260, 173509), (1372, 159345), (1470, 148722), (1715, 127476), (1764, 123935), (2058, 106230), (2205, 99148), (2940, 74361), (3087, 70820), (3430, 63738), (3541, 61740), (4116, 53115), (4410, 49574), (5145, 42492), (6174, 35410), (6860, 31869), (7082, 30870), (8820, 24787), (10290, 21246), (10623, 20580), (12348, 17705), (14164, 15435)]