621554220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3757

約数の個数: 216

約数和(自身を含む): 2309252400

約数和(自身を除く): 1687698180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1197, 1260, 1330, 1470, 1596, 1710, 1764, 1862, 1995, 2205, 2394, 2660, 2793, 2940, 3420, 3709, 3724, 3990, 4410, 4655, 4788, 5586, 5985, 7418, 7980, 8379, 8820, 9310, 11127, 11172, 11970, 13965, 14836, 16758, 18545, 18620, 22254, 23940, 25963, 27930, 33381, 33516, 37090, 41895, 44508, 51926, 55635, 55860, 66762, 70471, 74180, 77889, 83790, 103852, 111270, 129815, 133524, 140942, 155778, 166905, 167580, 181741, 211413, 222540, 233667, 259630, 281884, 311556, 333810, 352355, 363482, 389445, 422826, 467334, 493297, 519260, 545223, 634239, 667620, 704710, 726964, 778890, 845652, 908705, 934668, 986594, 1057065, 1090446, 1168335, 1268478, 1409420, 1479891, 1557780, 1635669, 1817410, 1973188, 2114130, 2180892, 2336670, 2466485, 2536956, 2726115, 2959782, 3171195, 3271338, 3453079, 3634820, 4228260, 4439673, 4673340, 4932970, 5452230, 5919564, 6342390, 6542676, 6906158, 7399455, 8178345, 8879346, 9865940, 10359237, 10904460, 12684780, 13812316, 14798910, 16356690, 17265395, 17758692, 20718474, 22198365, 29597820, 31077711, 32713380, 34530790, 41436948, 44396730, 51796185, 62155422, 69061580, 88793460, 103592370, 124310844, 155388555, 207184740, 310777110, 621554220]

約数ペア:

[(1, 621554220), (2, 310777110), (3, 207184740), (4, 155388555), (5, 124310844), (6, 103592370), (7, 88793460), (9, 69061580), (10, 62155422), (12, 51796185), (14, 44396730), (15, 41436948), (18, 34530790), (19, 32713380), (20, 31077711), (21, 29597820), (28, 22198365), (30, 20718474), (35, 17758692), (36, 17265395), (38, 16356690), (42, 14798910), (45, 13812316), (49, 12684780), (57, 10904460), (60, 10359237), (63, 9865940), (70, 8879346), (76, 8178345), (84, 7399455), (90, 6906158), (95, 6542676), (98, 6342390), (105, 5919564), (114, 5452230), (126, 4932970), (133, 4673340), (140, 4439673), (147, 4228260), (171, 3634820), (180, 3453079), (190, 3271338), (196, 3171195), (210, 2959782), (228, 2726115), (245, 2536956), (252, 2466485), (266, 2336670), (285, 2180892), (294, 2114130), (315, 1973188), (342, 1817410), (380, 1635669), (399, 1557780), (420, 1479891), (441, 1409420), (490, 1268478), (532, 1168335), (570, 1090446), (588, 1057065), (630, 986594), (665, 934668), (684, 908705), (735, 845652), (798, 778890), (855, 726964), (882, 704710), (931, 667620), (980, 634239), (1140, 545223), (1197, 519260), (1260, 493297), (1330, 467334), (1470, 422826), (1596, 389445), (1710, 363482), (1764, 352355), (1862, 333810), (1995, 311556), (2205, 281884), (2394, 259630), (2660, 233667), (2793, 222540), (2940, 211413), (3420, 181741), (3709, 167580), (3724, 166905), (3990, 155778), (4410, 140942), (4655, 133524), (4788, 129815), (5586, 111270), (5985, 103852), (7418, 83790), (7980, 77889), (8379, 74180), (8820, 70471), (9310, 66762), (11127, 55860), (11172, 55635), (11970, 51926), (13965, 44508), (14836, 41895), (16758, 37090), (18545, 33516), (18620, 33381), (22254, 27930), (23940, 25963)]