1721093040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:492

約数の個数: 240

約数和(自身を含む): 5936673600

約数和(自身を除く): 4215580560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 149, 180, 183, 240, 244, 263, 298, 305, 360, 366, 447, 488, 526, 549, 596, 610, 720, 732, 745, 789, 894, 915, 976, 1052, 1098, 1192, 1220, 1315, 1341, 1464, 1490, 1578, 1788, 1830, 2104, 2196, 2235, 2367, 2384, 2440, 2630, 2682, 2745, 2928, 2980, 3156, 3576, 3660, 3945, 4208, 4392, 4470, 4734, 4880, 5260, 5364, 5490, 5960, 6312, 6705, 7152, 7320, 7890, 8784, 8940, 9089, 9468, 10520, 10728, 10980, 11835, 11920, 12624, 13410, 14640, 15780, 16043, 17880, 18178, 18936, 21040, 21456, 21960, 23670, 26820, 27267, 31560, 32086, 35760, 36356, 37872, 39187, 43920, 45445, 47340, 48129, 53640, 54534, 63120, 64172, 72712, 78374, 80215, 81801, 90890, 94680, 96258, 107280, 109068, 117561, 128344, 136335, 144387, 145424, 156748, 160430, 163602, 181780, 189360, 192516, 195935, 218136, 235122, 240645, 256688, 272670, 288774, 313496, 320860, 327204, 352683, 363560, 385032, 391870, 409005, 436272, 470244, 481290, 545340, 577548, 587805, 626992, 641720, 654408, 705366, 721935, 727120, 770064, 783740, 818010, 940488, 962580, 1090680, 1155096, 1175610, 1283440, 1308816, 1410732, 1443870, 1567480, 1636020, 1763415, 1880976, 1925160, 2181360, 2310192, 2351220, 2390407, 2821464, 2887740, 3134960, 3272040, 3526830, 3850320, 4702440, 4780814, 5642928, 5775480, 6544080, 7053660, 7171221, 9404880, 9561628, 11550960, 11952035, 14107320, 14342442, 19123256, 21513663, 23904070, 28214640, 28684884, 35856105, 38246512, 43027326, 47808140, 57369768, 71712210, 86054652, 95616280, 107568315, 114739536, 143424420, 172109304, 191232560, 215136630, 286848840, 344218608, 430273260, 573697680, 860546520, 1721093040]

約数ペア:

[(1, 1721093040), (2, 860546520), (3, 573697680), (4, 430273260), (5, 344218608), (6, 286848840), (8, 215136630), (9, 191232560), (10, 172109304), (12, 143424420), (15, 114739536), (16, 107568315), (18, 95616280), (20, 86054652), (24, 71712210), (30, 57369768), (36, 47808140), (40, 43027326), (45, 38246512), (48, 35856105), (60, 28684884), (61, 28214640), (72, 23904070), (80, 21513663), (90, 19123256), (120, 14342442), (122, 14107320), (144, 11952035), (149, 11550960), (180, 9561628), (183, 9404880), (240, 7171221), (244, 7053660), (263, 6544080), (298, 5775480), (305, 5642928), (360, 4780814), (366, 4702440), (447, 3850320), (488, 3526830), (526, 3272040), (549, 3134960), (596, 2887740), (610, 2821464), (720, 2390407), (732, 2351220), (745, 2310192), (789, 2181360), (894, 1925160), (915, 1880976), (976, 1763415), (1052, 1636020), (1098, 1567480), (1192, 1443870), (1220, 1410732), (1315, 1308816), (1341, 1283440), (1464, 1175610), (1490, 1155096), (1578, 1090680), (1788, 962580), (1830, 940488), (2104, 818010), (2196, 783740), (2235, 770064), (2367, 727120), (2384, 721935), (2440, 705366), (2630, 654408), (2682, 641720), (2745, 626992), (2928, 587805), (2980, 577548), (3156, 545340), (3576, 481290), (3660, 470244), (3945, 436272), (4208, 409005), (4392, 391870), (4470, 385032), (4734, 363560), (4880, 352683), (5260, 327204), (5364, 320860), (5490, 313496), (5960, 288774), (6312, 272670), (6705, 256688), (7152, 240645), (7320, 235122), (7890, 218136), (8784, 195935), (8940, 192516), (9089, 189360), (9468, 181780), (10520, 163602), (10728, 160430), (10980, 156748), (11835, 145424), (11920, 144387), (12624, 136335), (13410, 128344), (14640, 117561), (15780, 109068), (16043, 107280), (17880, 96258), (18178, 94680), (18936, 90890), (21040, 81801), (21456, 80215), (21960, 78374), (23670, 72712), (26820, 64172), (27267, 63120), (31560, 54534), (32086, 53640), (35760, 48129), (36356, 47340), (37872, 45445), (39187, 43920)]