180995220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{20521}}^1$

素因数の和:20550

約数の個数: 108

約数和(自身を含む): 638685684

約数和(自身を除く): 457690464

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, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 20521, 41042, 61563, 82084, 102605, 123126, 143647, 184689, 205210, 246252, 287294, 307815, 369378, 410420, 430941, 574588, 615630, 718235, 738756, 861882, 923445, 1005529, 1231260, 1292823, 1436470, 1723764, 1846890, 2011058, 2154705, 2585646, 2872940, 3016587, 3693780, 4022116, 4309410, 5027645, 5171292, 6033174, 6464115, 8618820, 9049761, 10055290, 12066348, 12928230, 15082935, 18099522, 20110580, 25856460, 30165870, 36199044, 45248805, 60331740, 90497610, 180995220]

約数ペア:

[(1, 180995220), (2, 90497610), (3, 60331740), (4, 45248805), (5, 36199044), (6, 30165870), (7, 25856460), (9, 20110580), (10, 18099522), (12, 15082935), (14, 12928230), (15, 12066348), (18, 10055290), (20, 9049761), (21, 8618820), (28, 6464115), (30, 6033174), (35, 5171292), (36, 5027645), (42, 4309410), (45, 4022116), (49, 3693780), (60, 3016587), (63, 2872940), (70, 2585646), (84, 2154705), (90, 2011058), (98, 1846890), (105, 1723764), (126, 1436470), (140, 1292823), (147, 1231260), (180, 1005529), (196, 923445), (210, 861882), (245, 738756), (252, 718235), (294, 615630), (315, 574588), (420, 430941), (441, 410420), (490, 369378), (588, 307815), (630, 287294), (735, 246252), (882, 205210), (980, 184689), (1260, 143647), (1470, 123126), (1764, 102605), (2205, 82084), (2940, 61563), (4410, 41042), (8820, 20521)]