281839920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3253}}^1$

素因数の和:3307

約数の個数: 120

約数和(自身を含む): 922391856

約数和(自身を除く): 640551936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 2166, 2280, 2888, 3253, 3610, 4332, 4560, 5415, 5776, 6506, 7220, 8664, 9759, 10830, 13012, 14440, 16265, 17328, 19518, 21660, 26024, 28880, 32530, 39036, 43320, 48795, 52048, 61807, 65060, 78072, 86640, 97590, 123614, 130120, 156144, 185421, 195180, 247228, 260240, 309035, 370842, 390360, 494456, 618070, 741684, 780720, 927105, 988912, 1174333, 1236140, 1483368, 1854210, 2348666, 2472280, 2966736, 3522999, 3708420, 4697332, 4944560, 5871665, 7045998, 7416840, 9394664, 11743330, 14091996, 14833680, 17614995, 18789328, 23486660, 28183992, 35229990, 46973320, 56367984, 70459980, 93946640, 140919960, 281839920]

約数ペア:

[(1, 281839920), (2, 140919960), (3, 93946640), (4, 70459980), (5, 56367984), (6, 46973320), (8, 35229990), (10, 28183992), (12, 23486660), (15, 18789328), (16, 17614995), (19, 14833680), (20, 14091996), (24, 11743330), (30, 9394664), (38, 7416840), (40, 7045998), (48, 5871665), (57, 4944560), (60, 4697332), (76, 3708420), (80, 3522999), (95, 2966736), (114, 2472280), (120, 2348666), (152, 1854210), (190, 1483368), (228, 1236140), (240, 1174333), (285, 988912), (304, 927105), (361, 780720), (380, 741684), (456, 618070), (570, 494456), (722, 390360), (760, 370842), (912, 309035), (1083, 260240), (1140, 247228), (1444, 195180), (1520, 185421), (1805, 156144), (2166, 130120), (2280, 123614), (2888, 97590), (3253, 86640), (3610, 78072), (4332, 65060), (4560, 61807), (5415, 52048), (5776, 48795), (6506, 43320), (7220, 39036), (8664, 32530), (9759, 28880), (10830, 26024), (13012, 21660), (14440, 19518), (16265, 17328)]