78065820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 282338784

約数和(自身を除く): 204272964

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, 53, 60, 63, 70, 84, 90, 98, 105, 106, 126, 140, 147, 159, 167, 180, 196, 210, 212, 245, 252, 265, 294, 315, 318, 334, 371, 420, 441, 477, 490, 501, 530, 588, 630, 636, 668, 735, 742, 795, 835, 882, 954, 980, 1002, 1060, 1113, 1169, 1260, 1470, 1484, 1503, 1590, 1670, 1764, 1855, 1908, 2004, 2205, 2226, 2338, 2385, 2505, 2597, 2940, 3006, 3180, 3339, 3340, 3507, 3710, 4410, 4452, 4676, 4770, 5010, 5194, 5565, 5845, 6012, 6678, 7014, 7420, 7515, 7791, 8183, 8820, 8851, 9540, 10020, 10388, 10521, 11130, 11690, 12985, 13356, 14028, 15030, 15582, 16366, 16695, 17535, 17702, 21042, 22260, 23373, 23380, 24549, 25970, 26553, 30060, 31164, 32732, 33390, 35070, 35404, 38955, 40915, 42084, 44255, 46746, 49098, 51940, 52605, 53106, 61957, 66780, 70140, 73647, 77910, 79659, 81830, 88510, 93492, 98196, 105210, 106212, 116865, 122745, 123914, 132765, 147294, 155820, 159318, 163660, 177020, 185871, 210420, 233730, 245490, 247828, 265530, 294588, 309785, 318636, 368235, 371742, 398295, 433699, 467460, 490980, 531060, 557613, 619570, 736470, 743484, 796590, 867398, 929355, 1115226, 1239140, 1301097, 1472940, 1593180, 1734796, 1858710, 2168495, 2230452, 2602194, 2788065, 3717420, 3903291, 4336990, 5204388, 5576130, 6505485, 7806582, 8673980, 11152260, 13010970, 15613164, 19516455, 26021940, 39032910, 78065820]

約数ペア:

[(1, 78065820), (2, 39032910), (3, 26021940), (4, 19516455), (5, 15613164), (6, 13010970), (7, 11152260), (9, 8673980), (10, 7806582), (12, 6505485), (14, 5576130), (15, 5204388), (18, 4336990), (20, 3903291), (21, 3717420), (28, 2788065), (30, 2602194), (35, 2230452), (36, 2168495), (42, 1858710), (45, 1734796), (49, 1593180), (53, 1472940), (60, 1301097), (63, 1239140), (70, 1115226), (84, 929355), (90, 867398), (98, 796590), (105, 743484), (106, 736470), (126, 619570), (140, 557613), (147, 531060), (159, 490980), (167, 467460), (180, 433699), (196, 398295), (210, 371742), (212, 368235), (245, 318636), (252, 309785), (265, 294588), (294, 265530), (315, 247828), (318, 245490), (334, 233730), (371, 210420), (420, 185871), (441, 177020), (477, 163660), (490, 159318), (501, 155820), (530, 147294), (588, 132765), (630, 123914), (636, 122745), (668, 116865), (735, 106212), (742, 105210), (795, 98196), (835, 93492), (882, 88510), (954, 81830), (980, 79659), (1002, 77910), (1060, 73647), (1113, 70140), (1169, 66780), (1260, 61957), (1470, 53106), (1484, 52605), (1503, 51940), (1590, 49098), (1670, 46746), (1764, 44255), (1855, 42084), (1908, 40915), (2004, 38955), (2205, 35404), (2226, 35070), (2338, 33390), (2385, 32732), (2505, 31164), (2597, 30060), (2940, 26553), (3006, 25970), (3180, 24549), (3339, 23380), (3340, 23373), (3507, 22260), (3710, 21042), (4410, 17702), (4452, 17535), (4676, 16695), (4770, 16366), (5010, 15582), (5194, 15030), (5565, 14028), (5845, 13356), (6012, 12985), (6678, 11690), (7014, 11130), (7420, 10521), (7515, 10388), (7791, 10020), (8183, 9540), (8820, 8851)]