252784980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{457}}^1$

素因数の和:918

約数の個数: 144

約数和(自身を含む): 880239360

約数和(自身を除く): 627454380

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, 420, 439, 457, 630, 878, 914, 1260, 1317, 1371, 1756, 1828, 2195, 2285, 2634, 2742, 3073, 3199, 3951, 4113, 4390, 4570, 5268, 5484, 6146, 6398, 6585, 6855, 7902, 8226, 8780, 9140, 9219, 9597, 12292, 12796, 13170, 13710, 15365, 15804, 15995, 16452, 18438, 19194, 19755, 20565, 26340, 27420, 27657, 28791, 30730, 31990, 36876, 38388, 39510, 41130, 46095, 47985, 55314, 57582, 61460, 63980, 79020, 82260, 92190, 95970, 110628, 115164, 138285, 143955, 184380, 191940, 200623, 276570, 287910, 401246, 553140, 575820, 601869, 802492, 1003115, 1203738, 1404361, 1805607, 2006230, 2407476, 2808722, 3009345, 3611214, 4012460, 4213083, 5617444, 6018690, 7021805, 7222428, 8426166, 9028035, 12037380, 12639249, 14043610, 16852332, 18056070, 21065415, 25278498, 28087220, 36112140, 42130830, 50556996, 63196245, 84261660, 126392490, 252784980]

約数ペア:

[(1, 252784980), (2, 126392490), (3, 84261660), (4, 63196245), (5, 50556996), (6, 42130830), (7, 36112140), (9, 28087220), (10, 25278498), (12, 21065415), (14, 18056070), (15, 16852332), (18, 14043610), (20, 12639249), (21, 12037380), (28, 9028035), (30, 8426166), (35, 7222428), (36, 7021805), (42, 6018690), (45, 5617444), (60, 4213083), (63, 4012460), (70, 3611214), (84, 3009345), (90, 2808722), (105, 2407476), (126, 2006230), (140, 1805607), (180, 1404361), (210, 1203738), (252, 1003115), (315, 802492), (420, 601869), (439, 575820), (457, 553140), (630, 401246), (878, 287910), (914, 276570), (1260, 200623), (1317, 191940), (1371, 184380), (1756, 143955), (1828, 138285), (2195, 115164), (2285, 110628), (2634, 95970), (2742, 92190), (3073, 82260), (3199, 79020), (3951, 63980), (4113, 61460), (4390, 57582), (4570, 55314), (5268, 47985), (5484, 46095), (6146, 41130), (6398, 39510), (6585, 38388), (6855, 36876), (7902, 31990), (8226, 30730), (8780, 28791), (9140, 27657), (9219, 27420), (9597, 26340), (12292, 20565), (12796, 19755), (13170, 19194), (13710, 18438), (15365, 16452), (15804, 15995)]