1256861880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 256

約数和(自身を含む): 4373222400

約数和(自身を除く): 3116360520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 71, 72, 74, 90, 108, 111, 120, 135, 142, 148, 180, 185, 213, 216, 222, 270, 284, 296, 333, 355, 360, 370, 426, 443, 444, 540, 555, 568, 639, 666, 710, 740, 852, 886, 888, 999, 1065, 1080, 1110, 1278, 1329, 1332, 1420, 1480, 1665, 1704, 1772, 1917, 1998, 2130, 2215, 2220, 2556, 2627, 2658, 2664, 2840, 3195, 3330, 3544, 3834, 3987, 3996, 4260, 4430, 4440, 4995, 5112, 5254, 5316, 6390, 6645, 6660, 7668, 7881, 7974, 7992, 8520, 8860, 9585, 9990, 10508, 10632, 11961, 12780, 13135, 13290, 13320, 15336, 15762, 15948, 16391, 17720, 19170, 19935, 19980, 21016, 23643, 23922, 25560, 26270, 26580, 31453, 31524, 31896, 32782, 38340, 39405, 39870, 39960, 47286, 47844, 49173, 52540, 53160, 59805, 62906, 63048, 65564, 70929, 76680, 78810, 79740, 81955, 94359, 94572, 95688, 98346, 105080, 118215, 119610, 125812, 131128, 141858, 147519, 157265, 157620, 159480, 163910, 188718, 189144, 196692, 236430, 239220, 245865, 251624, 283077, 283716, 295038, 314530, 315240, 327820, 354645, 377436, 393384, 442557, 471795, 472860, 478440, 491730, 566154, 567432, 590076, 629060, 655640, 709290, 737595, 754872, 849231, 885114, 943590, 945720, 983460, 1132308, 1163761, 1180152, 1258120, 1415385, 1418580, 1475190, 1698462, 1770228, 1887180, 1966920, 2212785, 2264616, 2327522, 2830770, 2837160, 2950380, 3396924, 3491283, 3540456, 3774360, 4246155, 4425570, 4655044, 5661540, 5818805, 5900760, 6793848, 6982566, 8492310, 8851140, 9310088, 10473849, 11323080, 11637610, 13965132, 16984620, 17456415, 17702280, 20947698, 23275220, 27930264, 31421547, 33969240, 34912830, 41895396, 46550440, 52369245, 62843094, 69825660, 83790792, 104738490, 125686188, 139651320, 157107735, 209476980, 251372376, 314215470, 418953960, 628430940, 1256861880]

約数ペア:

[(1, 1256861880), (2, 628430940), (3, 418953960), (4, 314215470), (5, 251372376), (6, 209476980), (8, 157107735), (9, 139651320), (10, 125686188), (12, 104738490), (15, 83790792), (18, 69825660), (20, 62843094), (24, 52369245), (27, 46550440), (30, 41895396), (36, 34912830), (37, 33969240), (40, 31421547), (45, 27930264), (54, 23275220), (60, 20947698), (71, 17702280), (72, 17456415), (74, 16984620), (90, 13965132), (108, 11637610), (111, 11323080), (120, 10473849), (135, 9310088), (142, 8851140), (148, 8492310), (180, 6982566), (185, 6793848), (213, 5900760), (216, 5818805), (222, 5661540), (270, 4655044), (284, 4425570), (296, 4246155), (333, 3774360), (355, 3540456), (360, 3491283), (370, 3396924), (426, 2950380), (443, 2837160), (444, 2830770), (540, 2327522), (555, 2264616), (568, 2212785), (639, 1966920), (666, 1887180), (710, 1770228), (740, 1698462), (852, 1475190), (886, 1418580), (888, 1415385), (999, 1258120), (1065, 1180152), (1080, 1163761), (1110, 1132308), (1278, 983460), (1329, 945720), (1332, 943590), (1420, 885114), (1480, 849231), (1665, 754872), (1704, 737595), (1772, 709290), (1917, 655640), (1998, 629060), (2130, 590076), (2215, 567432), (2220, 566154), (2556, 491730), (2627, 478440), (2658, 472860), (2664, 471795), (2840, 442557), (3195, 393384), (3330, 377436), (3544, 354645), (3834, 327820), (3987, 315240), (3996, 314530), (4260, 295038), (4430, 283716), (4440, 283077), (4995, 251624), (5112, 245865), (5254, 239220), (5316, 236430), (6390, 196692), (6645, 189144), (6660, 188718), (7668, 163910), (7881, 159480), (7974, 157620), (7992, 157265), (8520, 147519), (8860, 141858), (9585, 131128), (9990, 125812), (10508, 119610), (10632, 118215), (11961, 105080), (12780, 98346), (13135, 95688), (13290, 94572), (13320, 94359), (15336, 81955), (15762, 79740), (15948, 78810), (16391, 76680), (17720, 70929), (19170, 65564), (19935, 63048), (19980, 62906), (21016, 59805), (23643, 53160), (23922, 52540), (25560, 49173), (26270, 47844), (26580, 47286), (31453, 39960), (31524, 39870), (31896, 39405), (32782, 38340)]