210630120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1467

約数の個数: 128

約数和(自身を含む): 668666880

約数和(自身を除く): 458036760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 820, 930, 984, 1230, 1240, 1271, 1381, 1640, 1860, 2460, 2542, 2762, 3720, 3813, 4143, 4920, 5084, 5524, 6355, 6905, 7626, 8286, 10168, 11048, 12710, 13810, 15252, 16572, 19065, 20715, 25420, 27620, 30504, 33144, 38130, 41430, 42811, 50840, 55240, 56621, 76260, 82860, 85622, 113242, 128433, 152520, 165720, 169863, 171244, 214055, 226484, 256866, 283105, 339726, 342488, 428110, 452968, 513732, 566210, 642165, 679452, 849315, 856220, 1027464, 1132420, 1284330, 1358904, 1698630, 1712440, 1755251, 2264840, 2568660, 3397260, 3510502, 5137320, 5265753, 6794520, 7021004, 8776255, 10531506, 14042008, 17552510, 21063012, 26328765, 35105020, 42126024, 52657530, 70210040, 105315060, 210630120]

約数ペア:

[(1, 210630120), (2, 105315060), (3, 70210040), (4, 52657530), (5, 42126024), (6, 35105020), (8, 26328765), (10, 21063012), (12, 17552510), (15, 14042008), (20, 10531506), (24, 8776255), (30, 7021004), (31, 6794520), (40, 5265753), (41, 5137320), (60, 3510502), (62, 3397260), (82, 2568660), (93, 2264840), (120, 1755251), (123, 1712440), (124, 1698630), (155, 1358904), (164, 1284330), (186, 1132420), (205, 1027464), (246, 856220), (248, 849315), (310, 679452), (328, 642165), (372, 566210), (410, 513732), (465, 452968), (492, 428110), (615, 342488), (620, 339726), (744, 283105), (820, 256866), (930, 226484), (984, 214055), (1230, 171244), (1240, 169863), (1271, 165720), (1381, 152520), (1640, 128433), (1860, 113242), (2460, 85622), (2542, 82860), (2762, 76260), (3720, 56621), (3813, 55240), (4143, 50840), (4920, 42811), (5084, 41430), (5524, 38130), (6355, 33144), (6905, 30504), (7626, 27620), (8286, 25420), (10168, 20715), (11048, 19065), (12710, 16572), (13810, 15252)]