490787280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:534

約数の個数: 240

約数和(自身を含む): 1766900304

約数和(自身を除く): 1276113024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 101, 102, 120, 136, 144, 153, 170, 180, 202, 204, 240, 255, 272, 303, 306, 340, 360, 397, 404, 408, 505, 510, 606, 612, 680, 720, 765, 794, 808, 816, 909, 1010, 1020, 1191, 1212, 1224, 1360, 1515, 1530, 1588, 1616, 1717, 1818, 1985, 2020, 2040, 2382, 2424, 2448, 3030, 3060, 3176, 3434, 3573, 3636, 3970, 4040, 4080, 4545, 4764, 4848, 5151, 5955, 6060, 6120, 6352, 6749, 6868, 7146, 7272, 7940, 8080, 8585, 9090, 9528, 10302, 11910, 12120, 12240, 13498, 13736, 14292, 14544, 15453, 15880, 17170, 17865, 18180, 19056, 20247, 20604, 23820, 24240, 25755, 26996, 27472, 28584, 30906, 31760, 33745, 34340, 35730, 36360, 40097, 40494, 41208, 47640, 51510, 53992, 57168, 60741, 61812, 67490, 68680, 71460, 72720, 77265, 80194, 80988, 82416, 95280, 101235, 103020, 107984, 120291, 121482, 123624, 134980, 137360, 142920, 154530, 160388, 161976, 200485, 202470, 206040, 240582, 242964, 247248, 269960, 285840, 303705, 309060, 320776, 323952, 360873, 400970, 404940, 412080, 481164, 485928, 539920, 601455, 607410, 618120, 641552, 681649, 721746, 801940, 809880, 962328, 971856, 1202910, 1214820, 1236240, 1363298, 1443492, 1603880, 1619760, 1804365, 1924656, 2044947, 2405820, 2429640, 2726596, 2886984, 3207760, 3408245, 3608730, 4089894, 4811640, 4859280, 5453192, 5773968, 6134841, 6816490, 7217460, 8179788, 9623280, 10224735, 10906384, 12269682, 13632980, 14434920, 16359576, 20449470, 24539364, 27265960, 28869840, 30674205, 32719152, 40898940, 49078728, 54531920, 61348410, 81797880, 98157456, 122696820, 163595760, 245393640, 490787280]

約数ペア:

[(1, 490787280), (2, 245393640), (3, 163595760), (4, 122696820), (5, 98157456), (6, 81797880), (8, 61348410), (9, 54531920), (10, 49078728), (12, 40898940), (15, 32719152), (16, 30674205), (17, 28869840), (18, 27265960), (20, 24539364), (24, 20449470), (30, 16359576), (34, 14434920), (36, 13632980), (40, 12269682), (45, 10906384), (48, 10224735), (51, 9623280), (60, 8179788), (68, 7217460), (72, 6816490), (80, 6134841), (85, 5773968), (90, 5453192), (101, 4859280), (102, 4811640), (120, 4089894), (136, 3608730), (144, 3408245), (153, 3207760), (170, 2886984), (180, 2726596), (202, 2429640), (204, 2405820), (240, 2044947), (255, 1924656), (272, 1804365), (303, 1619760), (306, 1603880), (340, 1443492), (360, 1363298), (397, 1236240), (404, 1214820), (408, 1202910), (505, 971856), (510, 962328), (606, 809880), (612, 801940), (680, 721746), (720, 681649), (765, 641552), (794, 618120), (808, 607410), (816, 601455), (909, 539920), (1010, 485928), (1020, 481164), (1191, 412080), (1212, 404940), (1224, 400970), (1360, 360873), (1515, 323952), (1530, 320776), (1588, 309060), (1616, 303705), (1717, 285840), (1818, 269960), (1985, 247248), (2020, 242964), (2040, 240582), (2382, 206040), (2424, 202470), (2448, 200485), (3030, 161976), (3060, 160388), (3176, 154530), (3434, 142920), (3573, 137360), (3636, 134980), (3970, 123624), (4040, 121482), (4080, 120291), (4545, 107984), (4764, 103020), (4848, 101235), (5151, 95280), (5955, 82416), (6060, 80988), (6120, 80194), (6352, 77265), (6749, 72720), (6868, 71460), (7146, 68680), (7272, 67490), (7940, 61812), (8080, 60741), (8585, 57168), (9090, 53992), (9528, 51510), (10302, 47640), (11910, 41208), (12120, 40494), (12240, 40097), (13498, 36360), (13736, 35730), (14292, 34340), (14544, 33745), (15453, 31760), (15880, 30906), (17170, 28584), (17865, 27472), (18180, 26996), (19056, 25755), (20247, 24240), (20604, 23820)]