1869210840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2287}}^1$

素因数の和:2454

約数の個数: 192

約数和(自身を含む): 6572966400

約数和(自身を除く): 4703755560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 139, 140, 147, 168, 196, 210, 245, 278, 280, 294, 392, 417, 420, 490, 556, 588, 695, 735, 834, 840, 973, 980, 1112, 1176, 1390, 1470, 1668, 1946, 1960, 2085, 2287, 2780, 2919, 2940, 3336, 3892, 4170, 4574, 4865, 5560, 5838, 5880, 6811, 6861, 7784, 8340, 9148, 9730, 11435, 11676, 13622, 13722, 14595, 16009, 16680, 18296, 19460, 20433, 22870, 23352, 27244, 27444, 29190, 32018, 34055, 34305, 38920, 40866, 45740, 48027, 54488, 54888, 58380, 64036, 68110, 68610, 80045, 81732, 91480, 96054, 102165, 112063, 116760, 128072, 136220, 137220, 160090, 163464, 192108, 204330, 224126, 240135, 272440, 274440, 317893, 320180, 336189, 384216, 408660, 448252, 480270, 560315, 635786, 640360, 672378, 817320, 896504, 953679, 960540, 1120630, 1271572, 1344756, 1589465, 1680945, 1907358, 1921080, 2225251, 2241260, 2543144, 2689512, 3178930, 3361890, 3814716, 4450502, 4482520, 4768395, 6357860, 6675753, 6723780, 7629432, 8901004, 9536790, 11126255, 12715720, 13351506, 13447560, 15576757, 17802008, 19073580, 22252510, 26703012, 31153514, 33378765, 38147160, 44505020, 46730271, 53406024, 62307028, 66757530, 77883785, 89010040, 93460542, 124614056, 133515060, 155767570, 186921084, 233651355, 267030120, 311535140, 373842168, 467302710, 623070280, 934605420, 1869210840]

約数ペア:

[(1, 1869210840), (2, 934605420), (3, 623070280), (4, 467302710), (5, 373842168), (6, 311535140), (7, 267030120), (8, 233651355), (10, 186921084), (12, 155767570), (14, 133515060), (15, 124614056), (20, 93460542), (21, 89010040), (24, 77883785), (28, 66757530), (30, 62307028), (35, 53406024), (40, 46730271), (42, 44505020), (49, 38147160), (56, 33378765), (60, 31153514), (70, 26703012), (84, 22252510), (98, 19073580), (105, 17802008), (120, 15576757), (139, 13447560), (140, 13351506), (147, 12715720), (168, 11126255), (196, 9536790), (210, 8901004), (245, 7629432), (278, 6723780), (280, 6675753), (294, 6357860), (392, 4768395), (417, 4482520), (420, 4450502), (490, 3814716), (556, 3361890), (588, 3178930), (695, 2689512), (735, 2543144), (834, 2241260), (840, 2225251), (973, 1921080), (980, 1907358), (1112, 1680945), (1176, 1589465), (1390, 1344756), (1470, 1271572), (1668, 1120630), (1946, 960540), (1960, 953679), (2085, 896504), (2287, 817320), (2780, 672378), (2919, 640360), (2940, 635786), (3336, 560315), (3892, 480270), (4170, 448252), (4574, 408660), (4865, 384216), (5560, 336189), (5838, 320180), (5880, 317893), (6811, 274440), (6861, 272440), (7784, 240135), (8340, 224126), (9148, 204330), (9730, 192108), (11435, 163464), (11676, 160090), (13622, 137220), (13722, 136220), (14595, 128072), (16009, 116760), (16680, 112063), (18296, 102165), (19460, 96054), (20433, 91480), (22870, 81732), (23352, 80045), (27244, 68610), (27444, 68110), (29190, 64036), (32018, 58380), (34055, 54888), (34305, 54488), (38920, 48027), (40866, 45740)]