78166890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 220320000

約数和(自身を除く): 142153110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 67, 87, 90, 134, 135, 145, 149, 174, 201, 261, 270, 290, 298, 335, 402, 435, 447, 522, 603, 670, 745, 783, 870, 894, 1005, 1206, 1305, 1341, 1490, 1566, 1809, 1943, 2010, 2235, 2610, 2682, 3015, 3618, 3886, 3915, 4023, 4321, 4470, 5829, 6030, 6705, 7830, 8046, 8642, 9045, 9715, 9983, 11658, 12963, 13410, 17487, 18090, 19430, 19966, 20115, 21605, 25926, 29145, 29949, 34974, 38889, 40230, 43210, 49915, 52461, 58290, 59898, 64815, 77778, 87435, 89847, 99830, 104922, 116667, 129630, 149745, 174870, 179694, 194445, 233334, 262305, 269541, 289507, 299490, 388890, 449235, 524610, 539082, 579014, 583335, 868521, 898470, 1166670, 1347705, 1447535, 1737042, 2605563, 2695410, 2895070, 4342605, 5211126, 7816689, 8685210, 13027815, 15633378, 26055630, 39083445, 78166890]

約数ペア:

[(1, 78166890), (2, 39083445), (3, 26055630), (5, 15633378), (6, 13027815), (9, 8685210), (10, 7816689), (15, 5211126), (18, 4342605), (27, 2895070), (29, 2695410), (30, 2605563), (45, 1737042), (54, 1447535), (58, 1347705), (67, 1166670), (87, 898470), (90, 868521), (134, 583335), (135, 579014), (145, 539082), (149, 524610), (174, 449235), (201, 388890), (261, 299490), (270, 289507), (290, 269541), (298, 262305), (335, 233334), (402, 194445), (435, 179694), (447, 174870), (522, 149745), (603, 129630), (670, 116667), (745, 104922), (783, 99830), (870, 89847), (894, 87435), (1005, 77778), (1206, 64815), (1305, 59898), (1341, 58290), (1490, 52461), (1566, 49915), (1809, 43210), (1943, 40230), (2010, 38889), (2235, 34974), (2610, 29949), (2682, 29145), (3015, 25926), (3618, 21605), (3886, 20115), (3915, 19966), (4023, 19430), (4321, 18090), (4470, 17487), (5829, 13410), (6030, 12963), (6705, 11658), (7830, 9983), (8046, 9715), (8642, 9045)]