28929780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:814

約数の個数: 144

約数和(自身を含む): 100900800

約数和(自身を除く): 71971020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 769, 836, 855, 990, 1045, 1140, 1254, 1538, 1710, 1881, 1980, 2090, 2307, 2508, 3076, 3135, 3420, 3762, 3845, 4180, 4614, 6270, 6921, 7524, 7690, 8459, 9228, 9405, 11535, 12540, 13842, 14611, 15380, 16918, 18810, 23070, 25377, 27684, 29222, 33836, 34605, 37620, 42295, 43833, 46140, 50754, 58444, 69210, 73055, 76131, 84590, 87666, 101508, 126885, 131499, 138420, 146110, 152262, 160721, 169180, 175332, 219165, 253770, 262998, 292220, 304524, 321442, 380655, 438330, 482163, 507540, 525996, 642884, 657495, 761310, 803605, 876660, 964326, 1314990, 1446489, 1522620, 1607210, 1928652, 2410815, 2629980, 2892978, 3214420, 4821630, 5785956, 7232445, 9643260, 14464890, 28929780]

約数ペア:

[(1, 28929780), (2, 14464890), (3, 9643260), (4, 7232445), (5, 5785956), (6, 4821630), (9, 3214420), (10, 2892978), (11, 2629980), (12, 2410815), (15, 1928652), (18, 1607210), (19, 1522620), (20, 1446489), (22, 1314990), (30, 964326), (33, 876660), (36, 803605), (38, 761310), (44, 657495), (45, 642884), (55, 525996), (57, 507540), (60, 482163), (66, 438330), (76, 380655), (90, 321442), (95, 304524), (99, 292220), (110, 262998), (114, 253770), (132, 219165), (165, 175332), (171, 169180), (180, 160721), (190, 152262), (198, 146110), (209, 138420), (220, 131499), (228, 126885), (285, 101508), (330, 87666), (342, 84590), (380, 76131), (396, 73055), (418, 69210), (495, 58444), (570, 50754), (627, 46140), (660, 43833), (684, 42295), (769, 37620), (836, 34605), (855, 33836), (990, 29222), (1045, 27684), (1140, 25377), (1254, 23070), (1538, 18810), (1710, 16918), (1881, 15380), (1980, 14611), (2090, 13842), (2307, 12540), (2508, 11535), (3076, 9405), (3135, 9228), (3420, 8459), (3762, 7690), (3845, 7524), (4180, 6921), (4614, 6270)]