989973720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1433}}^1$

素因数の和:1570

約数の個数: 192

約数和(自身を含む): 3422671200

約数和(自身を除く): 2432697480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 101, 114, 120, 152, 171, 180, 190, 202, 228, 285, 303, 342, 360, 380, 404, 456, 505, 570, 606, 684, 760, 808, 855, 909, 1010, 1140, 1212, 1368, 1433, 1515, 1710, 1818, 1919, 2020, 2280, 2424, 2866, 3030, 3420, 3636, 3838, 4040, 4299, 4545, 5732, 5757, 6060, 6840, 7165, 7272, 7676, 8598, 9090, 9595, 11464, 11514, 12120, 12897, 14330, 15352, 17196, 17271, 18180, 19190, 21495, 23028, 25794, 27227, 28660, 28785, 34392, 34542, 36360, 38380, 42990, 46056, 51588, 54454, 57320, 57570, 64485, 69084, 76760, 81681, 85980, 86355, 103176, 108908, 115140, 128970, 136135, 138168, 144733, 163362, 171960, 172710, 217816, 230280, 245043, 257940, 272270, 289466, 326724, 345420, 408405, 434199, 490086, 515880, 544540, 578932, 653448, 690840, 723665, 816810, 868398, 980172, 1089080, 1157864, 1225215, 1302597, 1447330, 1633620, 1736796, 1960344, 2170995, 2450430, 2605194, 2749927, 2894660, 3267240, 3473592, 4341990, 4900860, 5210388, 5499854, 5789320, 6512985, 8249781, 8683980, 9801720, 10420776, 10999708, 13025970, 13749635, 16499562, 17367960, 21999416, 24749343, 26051940, 27499270, 32999124, 41248905, 49498686, 52103880, 54998540, 65998248, 82497810, 98997372, 109997080, 123746715, 164995620, 197994744, 247493430, 329991240, 494986860, 989973720]

約数ペア:

[(1, 989973720), (2, 494986860), (3, 329991240), (4, 247493430), (5, 197994744), (6, 164995620), (8, 123746715), (9, 109997080), (10, 98997372), (12, 82497810), (15, 65998248), (18, 54998540), (19, 52103880), (20, 49498686), (24, 41248905), (30, 32999124), (36, 27499270), (38, 26051940), (40, 24749343), (45, 21999416), (57, 17367960), (60, 16499562), (72, 13749635), (76, 13025970), (90, 10999708), (95, 10420776), (101, 9801720), (114, 8683980), (120, 8249781), (152, 6512985), (171, 5789320), (180, 5499854), (190, 5210388), (202, 4900860), (228, 4341990), (285, 3473592), (303, 3267240), (342, 2894660), (360, 2749927), (380, 2605194), (404, 2450430), (456, 2170995), (505, 1960344), (570, 1736796), (606, 1633620), (684, 1447330), (760, 1302597), (808, 1225215), (855, 1157864), (909, 1089080), (1010, 980172), (1140, 868398), (1212, 816810), (1368, 723665), (1433, 690840), (1515, 653448), (1710, 578932), (1818, 544540), (1919, 515880), (2020, 490086), (2280, 434199), (2424, 408405), (2866, 345420), (3030, 326724), (3420, 289466), (3636, 272270), (3838, 257940), (4040, 245043), (4299, 230280), (4545, 217816), (5732, 172710), (5757, 171960), (6060, 163362), (6840, 144733), (7165, 138168), (7272, 136135), (7676, 128970), (8598, 115140), (9090, 108908), (9595, 103176), (11464, 86355), (11514, 85980), (12120, 81681), (12897, 76760), (14330, 69084), (15352, 64485), (17196, 57570), (17271, 57320), (18180, 54454), (19190, 51588), (21495, 46056), (23028, 42990), (25794, 38380), (27227, 36360), (28660, 34542), (28785, 34392)]