221539920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7757}}^1$

素因数の和:7797

約数の個数: 160

約数和(自身を含む): 831161088

約数和(自身を除く): 609621168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 7757, 9520, 14280, 15514, 23271, 28560, 31028, 38785, 46542, 54299, 62056, 77570, 93084, 108598, 116355, 124112, 131869, 155140, 162897, 186168, 217196, 232710, 263738, 271495, 310280, 325794, 372336, 395607, 434392, 465420, 527476, 542990, 620560, 651588, 659345, 791214, 814485, 868784, 923083, 930840, 1054952, 1085980, 1303176, 1318690, 1582428, 1628970, 1846166, 1861680, 1978035, 2109904, 2171960, 2606352, 2637380, 2769249, 3164856, 3257940, 3692332, 3956070, 4343920, 4615415, 5274760, 5538498, 6329712, 6515880, 7384664, 7912140, 9230830, 10549520, 11076996, 13031760, 13846245, 14769328, 15824280, 18461660, 22153992, 27692490, 31648560, 36923320, 44307984, 55384980, 73846640, 110769960, 221539920]

約数ペア:

[(1, 221539920), (2, 110769960), (3, 73846640), (4, 55384980), (5, 44307984), (6, 36923320), (7, 31648560), (8, 27692490), (10, 22153992), (12, 18461660), (14, 15824280), (15, 14769328), (16, 13846245), (17, 13031760), (20, 11076996), (21, 10549520), (24, 9230830), (28, 7912140), (30, 7384664), (34, 6515880), (35, 6329712), (40, 5538498), (42, 5274760), (48, 4615415), (51, 4343920), (56, 3956070), (60, 3692332), (68, 3257940), (70, 3164856), (80, 2769249), (84, 2637380), (85, 2606352), (102, 2171960), (105, 2109904), (112, 1978035), (119, 1861680), (120, 1846166), (136, 1628970), (140, 1582428), (168, 1318690), (170, 1303176), (204, 1085980), (210, 1054952), (238, 930840), (240, 923083), (255, 868784), (272, 814485), (280, 791214), (336, 659345), (340, 651588), (357, 620560), (408, 542990), (420, 527476), (476, 465420), (510, 434392), (560, 395607), (595, 372336), (680, 325794), (714, 310280), (816, 271495), (840, 263738), (952, 232710), (1020, 217196), (1190, 186168), (1360, 162897), (1428, 155140), (1680, 131869), (1785, 124112), (1904, 116355), (2040, 108598), (2380, 93084), (2856, 77570), (3570, 62056), (4080, 54299), (4760, 46542), (5712, 38785), (7140, 31028), (7757, 28560), (9520, 23271), (14280, 15514)]