1556227980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1\times {\mathrm{487}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 4856814144

約数和(自身を除く): 3300586164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 433, 487, 492, 615, 738, 820, 866, 974, 1230, 1299, 1461, 1476, 1732, 1845, 1948, 2165, 2435, 2460, 2598, 2922, 3690, 3897, 4330, 4383, 4870, 5196, 5844, 6495, 7305, 7380, 7794, 8660, 8766, 9740, 12990, 14610, 15588, 17532, 17753, 19485, 19967, 21915, 25980, 29220, 35506, 38970, 39934, 43830, 53259, 59901, 71012, 77940, 79868, 87660, 88765, 99835, 106518, 119802, 159777, 177530, 179703, 199670, 210871, 213036, 239604, 266295, 299505, 319554, 355060, 359406, 399340, 421742, 532590, 599010, 632613, 639108, 718812, 798885, 843484, 898515, 1054355, 1065180, 1198020, 1265226, 1597770, 1797030, 1897839, 2108710, 2530452, 3163065, 3195540, 3594060, 3795678, 4217420, 6326130, 7591356, 8645711, 9489195, 12652260, 17291422, 18978390, 25937133, 34582844, 37956780, 43228555, 51874266, 77811399, 86457110, 103748532, 129685665, 155622798, 172914220, 259371330, 311245596, 389056995, 518742660, 778113990, 1556227980]

約数ペア:

[(1, 1556227980), (2, 778113990), (3, 518742660), (4, 389056995), (5, 311245596), (6, 259371330), (9, 172914220), (10, 155622798), (12, 129685665), (15, 103748532), (18, 86457110), (20, 77811399), (30, 51874266), (36, 43228555), (41, 37956780), (45, 34582844), (60, 25937133), (82, 18978390), (90, 17291422), (123, 12652260), (164, 9489195), (180, 8645711), (205, 7591356), (246, 6326130), (369, 4217420), (410, 3795678), (433, 3594060), (487, 3195540), (492, 3163065), (615, 2530452), (738, 2108710), (820, 1897839), (866, 1797030), (974, 1597770), (1230, 1265226), (1299, 1198020), (1461, 1065180), (1476, 1054355), (1732, 898515), (1845, 843484), (1948, 798885), (2165, 718812), (2435, 639108), (2460, 632613), (2598, 599010), (2922, 532590), (3690, 421742), (3897, 399340), (4330, 359406), (4383, 355060), (4870, 319554), (5196, 299505), (5844, 266295), (6495, 239604), (7305, 213036), (7380, 210871), (7794, 199670), (8660, 179703), (8766, 177530), (9740, 159777), (12990, 119802), (14610, 106518), (15588, 99835), (17532, 88765), (17753, 87660), (19485, 79868), (19967, 77940), (21915, 71012), (25980, 59901), (29220, 53259), (35506, 43830), (38970, 39934)]