247743720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5783}}^1$

素因数の和:5824

約数の個数: 192

約数和(自身を含む): 974488320

約数和(自身を除く): 726744600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1428, 1530, 1785, 2040, 2142, 2380, 2520, 2856, 3060, 3570, 4284, 4760, 5355, 5783, 6120, 7140, 8568, 10710, 11566, 14280, 17349, 21420, 23132, 28915, 34698, 40481, 42840, 46264, 52047, 57830, 69396, 80962, 86745, 98311, 104094, 115660, 121443, 138792, 161924, 173490, 196622, 202405, 208188, 231320, 242886, 260235, 294933, 323848, 346980, 364329, 393244, 404810, 416376, 485772, 491555, 520470, 589866, 607215, 688177, 693960, 728658, 786488, 809620, 884799, 971544, 983110, 1040940, 1179732, 1214430, 1376354, 1457316, 1474665, 1619240, 1769598, 1821645, 1966220, 2064531, 2081880, 2359464, 2428860, 2752708, 2914632, 2949330, 3440885, 3539196, 3643290, 3932440, 4129062, 4423995, 4857720, 5505416, 5898660, 6193593, 6881770, 7078392, 7286580, 8258124, 8847990, 10322655, 11797320, 12387186, 13763540, 14573160, 16516248, 17695980, 20645310, 24774372, 27527080, 30967965, 35391960, 41290620, 49548744, 61935930, 82581240, 123871860, 247743720]

約数ペア:

[(1, 247743720), (2, 123871860), (3, 82581240), (4, 61935930), (5, 49548744), (6, 41290620), (7, 35391960), (8, 30967965), (9, 27527080), (10, 24774372), (12, 20645310), (14, 17695980), (15, 16516248), (17, 14573160), (18, 13763540), (20, 12387186), (21, 11797320), (24, 10322655), (28, 8847990), (30, 8258124), (34, 7286580), (35, 7078392), (36, 6881770), (40, 6193593), (42, 5898660), (45, 5505416), (51, 4857720), (56, 4423995), (60, 4129062), (63, 3932440), (68, 3643290), (70, 3539196), (72, 3440885), (84, 2949330), (85, 2914632), (90, 2752708), (102, 2428860), (105, 2359464), (119, 2081880), (120, 2064531), (126, 1966220), (136, 1821645), (140, 1769598), (153, 1619240), (168, 1474665), (170, 1457316), (180, 1376354), (204, 1214430), (210, 1179732), (238, 1040940), (252, 983110), (255, 971544), (280, 884799), (306, 809620), (315, 786488), (340, 728658), (357, 693960), (360, 688177), (408, 607215), (420, 589866), (476, 520470), (504, 491555), (510, 485772), (595, 416376), (612, 404810), (630, 393244), (680, 364329), (714, 346980), (765, 323848), (840, 294933), (952, 260235), (1020, 242886), (1071, 231320), (1190, 208188), (1224, 202405), (1260, 196622), (1428, 173490), (1530, 161924), (1785, 138792), (2040, 121443), (2142, 115660), (2380, 104094), (2520, 98311), (2856, 86745), (3060, 80962), (3570, 69396), (4284, 57830), (4760, 52047), (5355, 46264), (5783, 42840), (6120, 40481), (7140, 34698), (8568, 28915), (10710, 23132), (11566, 21420), (14280, 17349)]