71459640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4051}}^1$

素因数の和:4082

約数の個数: 144

約数和(自身を含む): 270227880

約数和(自身を除く): 198768240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4051, 4410, 5880, 8102, 8820, 12153, 16204, 17640, 20255, 24306, 28357, 32408, 36459, 40510, 48612, 56714, 60765, 72918, 81020, 85071, 97224, 113428, 121530, 141785, 145836, 162040, 170142, 182295, 198499, 226856, 243060, 255213, 283570, 291672, 340284, 364590, 396998, 425355, 486120, 510426, 567140, 595497, 680568, 729180, 793996, 850710, 992495, 1020852, 1134280, 1190994, 1276065, 1458360, 1587992, 1701420, 1786491, 1984990, 2041704, 2381988, 2552130, 2977485, 3402840, 3572982, 3969980, 4763976, 5104260, 5954970, 7145964, 7939960, 8932455, 10208520, 11909940, 14291928, 17864910, 23819880, 35729820, 71459640]

約数ペア:

[(1, 71459640), (2, 35729820), (3, 23819880), (4, 17864910), (5, 14291928), (6, 11909940), (7, 10208520), (8, 8932455), (9, 7939960), (10, 7145964), (12, 5954970), (14, 5104260), (15, 4763976), (18, 3969980), (20, 3572982), (21, 3402840), (24, 2977485), (28, 2552130), (30, 2381988), (35, 2041704), (36, 1984990), (40, 1786491), (42, 1701420), (45, 1587992), (49, 1458360), (56, 1276065), (60, 1190994), (63, 1134280), (70, 1020852), (72, 992495), (84, 850710), (90, 793996), (98, 729180), (105, 680568), (120, 595497), (126, 567140), (140, 510426), (147, 486120), (168, 425355), (180, 396998), (196, 364590), (210, 340284), (245, 291672), (252, 283570), (280, 255213), (294, 243060), (315, 226856), (360, 198499), (392, 182295), (420, 170142), (441, 162040), (490, 145836), (504, 141785), (588, 121530), (630, 113428), (735, 97224), (840, 85071), (882, 81020), (980, 72918), (1176, 60765), (1260, 56714), (1470, 48612), (1764, 40510), (1960, 36459), (2205, 32408), (2520, 28357), (2940, 24306), (3528, 20255), (4051, 17640), (4410, 16204), (5880, 12153), (8102, 8820)]