78365880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 282138120

約数和(自身を除く): 203772240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 67, 72, 76, 81, 90, 95, 108, 114, 120, 134, 135, 152, 162, 171, 180, 190, 201, 216, 228, 268, 270, 285, 324, 335, 342, 360, 361, 380, 402, 405, 456, 513, 536, 540, 570, 603, 648, 670, 684, 722, 760, 804, 810, 855, 1005, 1026, 1080, 1083, 1140, 1206, 1273, 1340, 1368, 1444, 1539, 1608, 1620, 1710, 1805, 1809, 2010, 2052, 2166, 2280, 2412, 2546, 2565, 2680, 2888, 3015, 3078, 3240, 3249, 3420, 3610, 3618, 3819, 4020, 4104, 4332, 4824, 5092, 5130, 5415, 5427, 6030, 6156, 6365, 6498, 6840, 7220, 7236, 7638, 7695, 8040, 8664, 9045, 9747, 10184, 10260, 10830, 10854, 11457, 12060, 12312, 12730, 12996, 14440, 14472, 15276, 15390, 16245, 18090, 19095, 19494, 20520, 21660, 21708, 22914, 24120, 24187, 25460, 25992, 27135, 29241, 30552, 30780, 32490, 34371, 36180, 38190, 38988, 43320, 43416, 45828, 48374, 48735, 50920, 54270, 57285, 58482, 61560, 64980, 68742, 72360, 72561, 76380, 77976, 91656, 96748, 97470, 103113, 108540, 114570, 116964, 120935, 129960, 137484, 145122, 146205, 152760, 171855, 193496, 194940, 206226, 217080, 217683, 229140, 233928, 241870, 274968, 290244, 292410, 343710, 362805, 389880, 412452, 435366, 458280, 483740, 515565, 580488, 584820, 653049, 687420, 725610, 824904, 870732, 967480, 1031130, 1088415, 1169640, 1306098, 1374840, 1451220, 1741464, 1959147, 2062260, 2176830, 2612196, 2902440, 3265245, 3918294, 4124520, 4353660, 5224392, 6530490, 7836588, 8707320, 9795735, 13060980, 15673176, 19591470, 26121960, 39182940, 78365880]

約数ペア:

[(1, 78365880), (2, 39182940), (3, 26121960), (4, 19591470), (5, 15673176), (6, 13060980), (8, 9795735), (9, 8707320), (10, 7836588), (12, 6530490), (15, 5224392), (18, 4353660), (19, 4124520), (20, 3918294), (24, 3265245), (27, 2902440), (30, 2612196), (36, 2176830), (38, 2062260), (40, 1959147), (45, 1741464), (54, 1451220), (57, 1374840), (60, 1306098), (67, 1169640), (72, 1088415), (76, 1031130), (81, 967480), (90, 870732), (95, 824904), (108, 725610), (114, 687420), (120, 653049), (134, 584820), (135, 580488), (152, 515565), (162, 483740), (171, 458280), (180, 435366), (190, 412452), (201, 389880), (216, 362805), (228, 343710), (268, 292410), (270, 290244), (285, 274968), (324, 241870), (335, 233928), (342, 229140), (360, 217683), (361, 217080), (380, 206226), (402, 194940), (405, 193496), (456, 171855), (513, 152760), (536, 146205), (540, 145122), (570, 137484), (603, 129960), (648, 120935), (670, 116964), (684, 114570), (722, 108540), (760, 103113), (804, 97470), (810, 96748), (855, 91656), (1005, 77976), (1026, 76380), (1080, 72561), (1083, 72360), (1140, 68742), (1206, 64980), (1273, 61560), (1340, 58482), (1368, 57285), (1444, 54270), (1539, 50920), (1608, 48735), (1620, 48374), (1710, 45828), (1805, 43416), (1809, 43320), (2010, 38988), (2052, 38190), (2166, 36180), (2280, 34371), (2412, 32490), (2546, 30780), (2565, 30552), (2680, 29241), (2888, 27135), (3015, 25992), (3078, 25460), (3240, 24187), (3249, 24120), (3420, 22914), (3610, 21708), (3618, 21660), (3819, 20520), (4020, 19494), (4104, 19095), (4332, 18090), (4824, 16245), (5092, 15390), (5130, 15276), (5415, 14472), (5427, 14440), (6030, 12996), (6156, 12730), (6365, 12312), (6498, 12060), (6840, 11457), (7220, 10854), (7236, 10830), (7638, 10260), (7695, 10184), (8040, 9747), (8664, 9045)]