51728220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:921

約数の個数: 120

約数和(自身を含む): 166852224

約数和(自身を除く): 115124004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 863, 999, 1110, 1332, 1620, 1665, 1726, 1998, 2220, 2589, 2997, 3330, 3452, 3996, 4315, 4995, 5178, 5994, 6660, 7767, 8630, 9990, 10356, 11988, 12945, 14985, 15534, 17260, 19980, 23301, 25890, 29970, 31068, 31931, 38835, 46602, 51780, 59940, 63862, 69903, 77670, 93204, 95793, 116505, 127724, 139806, 155340, 159655, 191586, 233010, 279612, 287379, 319310, 349515, 383172, 466020, 478965, 574758, 638620, 699030, 862137, 957930, 1149516, 1398060, 1436895, 1724274, 1915860, 2586411, 2873790, 3448548, 4310685, 5172822, 5747580, 8621370, 10345644, 12932055, 17242740, 25864110, 51728220]

約数ペア:

[(1, 51728220), (2, 25864110), (3, 17242740), (4, 12932055), (5, 10345644), (6, 8621370), (9, 5747580), (10, 5172822), (12, 4310685), (15, 3448548), (18, 2873790), (20, 2586411), (27, 1915860), (30, 1724274), (36, 1436895), (37, 1398060), (45, 1149516), (54, 957930), (60, 862137), (74, 699030), (81, 638620), (90, 574758), (108, 478965), (111, 466020), (135, 383172), (148, 349515), (162, 319310), (180, 287379), (185, 279612), (222, 233010), (270, 191586), (324, 159655), (333, 155340), (370, 139806), (405, 127724), (444, 116505), (540, 95793), (555, 93204), (666, 77670), (740, 69903), (810, 63862), (863, 59940), (999, 51780), (1110, 46602), (1332, 38835), (1620, 31931), (1665, 31068), (1726, 29970), (1998, 25890), (2220, 23301), (2589, 19980), (2997, 17260), (3330, 15534), (3452, 14985), (3996, 12945), (4315, 11988), (4995, 10356), (5178, 9990), (5994, 8630), (6660, 7767)]