649136280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 192

約数和(自身を含む): 2172048480

約数和(自身を除く): 1522912200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 433, 465, 520, 620, 744, 780, 806, 866, 930, 961, 1209, 1240, 1299, 1560, 1612, 1732, 1860, 1922, 2015, 2165, 2418, 2598, 2883, 3224, 3464, 3720, 3844, 4030, 4330, 4805, 4836, 5196, 5629, 5766, 6045, 6495, 7688, 8060, 8660, 9610, 9672, 10392, 11258, 11532, 12090, 12493, 12990, 13423, 14415, 16120, 16887, 17320, 19220, 22516, 23064, 24180, 24986, 25980, 26846, 28145, 28830, 33774, 37479, 38440, 40269, 45032, 48360, 49972, 51960, 53692, 56290, 57660, 62465, 67115, 67548, 74958, 80538, 84435, 99944, 107384, 112580, 115320, 124930, 134230, 135096, 149916, 161076, 168870, 174499, 187395, 201345, 225160, 249860, 268460, 299832, 322152, 337740, 348998, 374790, 402690, 416113, 499720, 523497, 536920, 675480, 697996, 749580, 805380, 832226, 872495, 1046994, 1248339, 1395992, 1499160, 1610760, 1664452, 1744990, 2080565, 2093988, 2496678, 2617485, 3328904, 3489980, 4161130, 4187976, 4993356, 5234970, 5409469, 6241695, 6979960, 8322260, 9986712, 10469940, 10818938, 12483390, 16228407, 16644520, 20939880, 21637876, 24966780, 27047345, 32456814, 43275752, 49933560, 54094690, 64913628, 81142035, 108189380, 129827256, 162284070, 216378760, 324568140, 649136280]

約数ペア:

[(1, 649136280), (2, 324568140), (3, 216378760), (4, 162284070), (5, 129827256), (6, 108189380), (8, 81142035), (10, 64913628), (12, 54094690), (13, 49933560), (15, 43275752), (20, 32456814), (24, 27047345), (26, 24966780), (30, 21637876), (31, 20939880), (39, 16644520), (40, 16228407), (52, 12483390), (60, 10818938), (62, 10469940), (65, 9986712), (78, 8322260), (93, 6979960), (104, 6241695), (120, 5409469), (124, 5234970), (130, 4993356), (155, 4187976), (156, 4161130), (186, 3489980), (195, 3328904), (248, 2617485), (260, 2496678), (310, 2093988), (312, 2080565), (372, 1744990), (390, 1664452), (403, 1610760), (433, 1499160), (465, 1395992), (520, 1248339), (620, 1046994), (744, 872495), (780, 832226), (806, 805380), (866, 749580), (930, 697996), (961, 675480), (1209, 536920), (1240, 523497), (1299, 499720), (1560, 416113), (1612, 402690), (1732, 374790), (1860, 348998), (1922, 337740), (2015, 322152), (2165, 299832), (2418, 268460), (2598, 249860), (2883, 225160), (3224, 201345), (3464, 187395), (3720, 174499), (3844, 168870), (4030, 161076), (4330, 149916), (4805, 135096), (4836, 134230), (5196, 124930), (5629, 115320), (5766, 112580), (6045, 107384), (6495, 99944), (7688, 84435), (8060, 80538), (8660, 74958), (9610, 67548), (9672, 67115), (10392, 62465), (11258, 57660), (11532, 56290), (12090, 53692), (12493, 51960), (12990, 49972), (13423, 48360), (14415, 45032), (16120, 40269), (16887, 38440), (17320, 37479), (19220, 33774), (22516, 28830), (23064, 28145), (24180, 26846), (24986, 25980)]