25104420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 85962240

約数和(自身を除く): 60857820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 409, 465, 495, 558, 620, 660, 682, 818, 930, 990, 1023, 1116, 1227, 1364, 1395, 1636, 1705, 1860, 1980, 2045, 2046, 2454, 2790, 3069, 3410, 3681, 4090, 4092, 4499, 4908, 5115, 5580, 6135, 6138, 6820, 7362, 8180, 8998, 10230, 12270, 12276, 12679, 13497, 14724, 15345, 17996, 18405, 20460, 22495, 24540, 25358, 26994, 30690, 36810, 38037, 40491, 44990, 50716, 53988, 61380, 63395, 67485, 73620, 76074, 80982, 89980, 114111, 126790, 134970, 139469, 152148, 161964, 190185, 202455, 228222, 253580, 269940, 278938, 380370, 404910, 418407, 456444, 557876, 570555, 697345, 760740, 809820, 836814, 1141110, 1255221, 1394690, 1673628, 2092035, 2282220, 2510442, 2789380, 4184070, 5020884, 6276105, 8368140, 12552210, 25104420]

約数ペア:

[(1, 25104420), (2, 12552210), (3, 8368140), (4, 6276105), (5, 5020884), (6, 4184070), (9, 2789380), (10, 2510442), (11, 2282220), (12, 2092035), (15, 1673628), (18, 1394690), (20, 1255221), (22, 1141110), (30, 836814), (31, 809820), (33, 760740), (36, 697345), (44, 570555), (45, 557876), (55, 456444), (60, 418407), (62, 404910), (66, 380370), (90, 278938), (93, 269940), (99, 253580), (110, 228222), (124, 202455), (132, 190185), (155, 161964), (165, 152148), (180, 139469), (186, 134970), (198, 126790), (220, 114111), (279, 89980), (310, 80982), (330, 76074), (341, 73620), (372, 67485), (396, 63395), (409, 61380), (465, 53988), (495, 50716), (558, 44990), (620, 40491), (660, 38037), (682, 36810), (818, 30690), (930, 26994), (990, 25358), (1023, 24540), (1116, 22495), (1227, 20460), (1364, 18405), (1395, 17996), (1636, 15345), (1705, 14724), (1860, 13497), (1980, 12679), (2045, 12276), (2046, 12270), (2454, 10230), (2790, 8998), (3069, 8180), (3410, 7362), (3681, 6820), (4090, 6138), (4092, 6135), (4499, 5580), (4908, 5115)]