204220980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{743}}^1$

素因数の和:1270

約数の個数: 96

約数和(自身を含む): 637459200

約数和(自身を除く): 433238220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 509, 540, 743, 1018, 1486, 1527, 2036, 2229, 2545, 2972, 3054, 3715, 4458, 4581, 5090, 6108, 6687, 7430, 7635, 8916, 9162, 10180, 11145, 13374, 13743, 14860, 15270, 18324, 20061, 22290, 22905, 26748, 27486, 30540, 33435, 40122, 44580, 45810, 54972, 66870, 68715, 80244, 91620, 100305, 133740, 137430, 200610, 274860, 378187, 401220, 756374, 1134561, 1512748, 1890935, 2269122, 3403683, 3781870, 4538244, 5672805, 6807366, 7563740, 10211049, 11345610, 13614732, 17018415, 20422098, 22691220, 34036830, 40844196, 51055245, 68073660, 102110490, 204220980]

約数ペア:

[(1, 204220980), (2, 102110490), (3, 68073660), (4, 51055245), (5, 40844196), (6, 34036830), (9, 22691220), (10, 20422098), (12, 17018415), (15, 13614732), (18, 11345610), (20, 10211049), (27, 7563740), (30, 6807366), (36, 5672805), (45, 4538244), (54, 3781870), (60, 3403683), (90, 2269122), (108, 1890935), (135, 1512748), (180, 1134561), (270, 756374), (509, 401220), (540, 378187), (743, 274860), (1018, 200610), (1486, 137430), (1527, 133740), (2036, 100305), (2229, 91620), (2545, 80244), (2972, 68715), (3054, 66870), (3715, 54972), (4458, 45810), (4581, 44580), (5090, 40122), (6108, 33435), (6687, 30540), (7430, 27486), (7635, 26748), (8916, 22905), (9162, 22290), (10180, 20061), (11145, 18324), (13374, 15270), (13743, 14860)]