51668280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 160

約数和(自身を含む): 178770240

約数和(自身を除く): 127101960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 431, 444, 540, 555, 648, 666, 740, 810, 862, 888, 999, 1080, 1110, 1293, 1332, 1480, 1620, 1665, 1724, 1998, 2155, 2220, 2586, 2664, 2997, 3240, 3330, 3448, 3879, 3996, 4310, 4440, 4995, 5172, 5994, 6465, 6660, 7758, 7992, 8620, 9990, 10344, 11637, 11988, 12930, 13320, 14985, 15516, 15947, 17240, 19395, 19980, 23274, 23976, 25860, 29970, 31032, 31894, 34911, 38790, 39960, 46548, 47841, 51720, 58185, 59940, 63788, 69822, 77580, 79735, 93096, 95682, 116370, 119880, 127576, 139644, 143523, 155160, 159470, 174555, 191364, 232740, 239205, 279288, 287046, 318940, 349110, 382728, 430569, 465480, 478410, 574092, 637880, 698220, 717615, 861138, 956820, 1148184, 1291707, 1396440, 1435230, 1722276, 1913640, 2152845, 2583414, 2870460, 3444552, 4305690, 5166828, 5740920, 6458535, 8611380, 10333656, 12917070, 17222760, 25834140, 51668280]

約数ペア:

[(1, 51668280), (2, 25834140), (3, 17222760), (4, 12917070), (5, 10333656), (6, 8611380), (8, 6458535), (9, 5740920), (10, 5166828), (12, 4305690), (15, 3444552), (18, 2870460), (20, 2583414), (24, 2152845), (27, 1913640), (30, 1722276), (36, 1435230), (37, 1396440), (40, 1291707), (45, 1148184), (54, 956820), (60, 861138), (72, 717615), (74, 698220), (81, 637880), (90, 574092), (108, 478410), (111, 465480), (120, 430569), (135, 382728), (148, 349110), (162, 318940), (180, 287046), (185, 279288), (216, 239205), (222, 232740), (270, 191364), (296, 174555), (324, 159470), (333, 155160), (360, 143523), (370, 139644), (405, 127576), (431, 119880), (444, 116370), (540, 95682), (555, 93096), (648, 79735), (666, 77580), (740, 69822), (810, 63788), (862, 59940), (888, 58185), (999, 51720), (1080, 47841), (1110, 46548), (1293, 39960), (1332, 38790), (1480, 34911), (1620, 31894), (1665, 31032), (1724, 29970), (1998, 25860), (2155, 23976), (2220, 23274), (2586, 19980), (2664, 19395), (2997, 17240), (3240, 15947), (3330, 15516), (3448, 14985), (3879, 13320), (3996, 12930), (4310, 11988), (4440, 11637), (4995, 10344), (5172, 9990), (5994, 8620), (6465, 7992), (6660, 7758)]