638372520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 192

約数和(自身を含む): 2128548240

約数和(自身を除く): 1490175720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 101, 120, 180, 181, 194, 202, 291, 303, 360, 362, 388, 404, 485, 505, 543, 582, 606, 724, 776, 808, 873, 905, 909, 970, 1010, 1086, 1164, 1212, 1448, 1455, 1515, 1629, 1746, 1810, 1818, 1940, 2020, 2172, 2328, 2424, 2715, 2910, 3030, 3258, 3492, 3620, 3636, 3880, 4040, 4344, 4365, 4545, 5430, 5820, 6060, 6516, 6984, 7240, 7272, 8145, 8730, 9090, 9797, 10860, 11640, 12120, 13032, 16290, 17460, 17557, 18180, 18281, 19594, 21720, 29391, 32580, 34920, 35114, 36360, 36562, 39188, 48985, 52671, 54843, 58782, 65160, 70228, 73124, 78376, 87785, 88173, 91405, 97970, 105342, 109686, 117564, 140456, 146248, 146955, 158013, 164529, 175570, 176346, 182810, 195940, 210684, 219372, 235128, 263355, 274215, 293910, 316026, 329058, 351140, 352692, 365620, 391880, 421368, 438744, 440865, 526710, 548430, 587820, 632052, 658116, 702280, 705384, 731240, 790065, 822645, 881730, 1053420, 1096860, 1175640, 1264104, 1316232, 1580130, 1645290, 1763460, 1773257, 2106840, 2193720, 3160260, 3290580, 3526920, 3546514, 5319771, 6320520, 6581160, 7093028, 8866285, 10639542, 14186056, 15959313, 17732570, 21279084, 26598855, 31918626, 35465140, 42558168, 53197710, 63837252, 70930280, 79796565, 106395420, 127674504, 159593130, 212790840, 319186260, 638372520]

約数ペア:

[(1, 638372520), (2, 319186260), (3, 212790840), (4, 159593130), (5, 127674504), (6, 106395420), (8, 79796565), (9, 70930280), (10, 63837252), (12, 53197710), (15, 42558168), (18, 35465140), (20, 31918626), (24, 26598855), (30, 21279084), (36, 17732570), (40, 15959313), (45, 14186056), (60, 10639542), (72, 8866285), (90, 7093028), (97, 6581160), (101, 6320520), (120, 5319771), (180, 3546514), (181, 3526920), (194, 3290580), (202, 3160260), (291, 2193720), (303, 2106840), (360, 1773257), (362, 1763460), (388, 1645290), (404, 1580130), (485, 1316232), (505, 1264104), (543, 1175640), (582, 1096860), (606, 1053420), (724, 881730), (776, 822645), (808, 790065), (873, 731240), (905, 705384), (909, 702280), (970, 658116), (1010, 632052), (1086, 587820), (1164, 548430), (1212, 526710), (1448, 440865), (1455, 438744), (1515, 421368), (1629, 391880), (1746, 365620), (1810, 352692), (1818, 351140), (1940, 329058), (2020, 316026), (2172, 293910), (2328, 274215), (2424, 263355), (2715, 235128), (2910, 219372), (3030, 210684), (3258, 195940), (3492, 182810), (3620, 176346), (3636, 175570), (3880, 164529), (4040, 158013), (4344, 146955), (4365, 146248), (4545, 140456), (5430, 117564), (5820, 109686), (6060, 105342), (6516, 97970), (6984, 91405), (7240, 88173), (7272, 87785), (8145, 78376), (8730, 73124), (9090, 70228), (9797, 65160), (10860, 58782), (11640, 54843), (12120, 52671), (13032, 48985), (16290, 39188), (17460, 36562), (17557, 36360), (18180, 35114), (18281, 34920), (19594, 32580), (21720, 29391)]