78393420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 291422208

約数和(自身を除く): 213028788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 223, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 446, 465, 540, 558, 567, 620, 630, 651, 669, 756, 810, 837, 868, 892, 930, 945, 1085, 1115, 1116, 1134, 1260, 1302, 1338, 1395, 1561, 1620, 1674, 1860, 1890, 1953, 2007, 2170, 2230, 2268, 2511, 2604, 2676, 2790, 2835, 3122, 3255, 3345, 3348, 3780, 3906, 4014, 4185, 4340, 4460, 4683, 5022, 5580, 5670, 5859, 6021, 6244, 6510, 6690, 6913, 7805, 7812, 8028, 8370, 9366, 9765, 10035, 10044, 11340, 11718, 12042, 12555, 13020, 13380, 13826, 14049, 15610, 16740, 17577, 18063, 18732, 19530, 20070, 20739, 23415, 23436, 24084, 25110, 27652, 28098, 29295, 30105, 31220, 34565, 35154, 36126, 39060, 40140, 41478, 42147, 46830, 48391, 50220, 56196, 58590, 60210, 62217, 69130, 70245, 70308, 72252, 82956, 84294, 87885, 90315, 93660, 96782, 103695, 117180, 120420, 124434, 126441, 138260, 140490, 145173, 168588, 175770, 180630, 186651, 193564, 207390, 210735, 241955, 248868, 252882, 280980, 290346, 311085, 351540, 361260, 373302, 414780, 421470, 435519, 483910, 505764, 559953, 580692, 622170, 632205, 725865, 746604, 842940, 871038, 933255, 967820, 1119906, 1244340, 1264410, 1306557, 1451730, 1742076, 1866510, 2177595, 2239812, 2528820, 2613114, 2799765, 2903460, 3733020, 3919671, 4355190, 5226228, 5599530, 6532785, 7839342, 8710380, 11199060, 13065570, 15678684, 19598355, 26131140, 39196710, 78393420]

約数ペア:

[(1, 78393420), (2, 39196710), (3, 26131140), (4, 19598355), (5, 15678684), (6, 13065570), (7, 11199060), (9, 8710380), (10, 7839342), (12, 6532785), (14, 5599530), (15, 5226228), (18, 4355190), (20, 3919671), (21, 3733020), (27, 2903460), (28, 2799765), (30, 2613114), (31, 2528820), (35, 2239812), (36, 2177595), (42, 1866510), (45, 1742076), (54, 1451730), (60, 1306557), (62, 1264410), (63, 1244340), (70, 1119906), (81, 967820), (84, 933255), (90, 871038), (93, 842940), (105, 746604), (108, 725865), (124, 632205), (126, 622170), (135, 580692), (140, 559953), (155, 505764), (162, 483910), (180, 435519), (186, 421470), (189, 414780), (210, 373302), (217, 361260), (223, 351540), (252, 311085), (270, 290346), (279, 280980), (310, 252882), (315, 248868), (324, 241955), (372, 210735), (378, 207390), (405, 193564), (420, 186651), (434, 180630), (446, 175770), (465, 168588), (540, 145173), (558, 140490), (567, 138260), (620, 126441), (630, 124434), (651, 120420), (669, 117180), (756, 103695), (810, 96782), (837, 93660), (868, 90315), (892, 87885), (930, 84294), (945, 82956), (1085, 72252), (1115, 70308), (1116, 70245), (1134, 69130), (1260, 62217), (1302, 60210), (1338, 58590), (1395, 56196), (1561, 50220), (1620, 48391), (1674, 46830), (1860, 42147), (1890, 41478), (1953, 40140), (2007, 39060), (2170, 36126), (2230, 35154), (2268, 34565), (2511, 31220), (2604, 30105), (2676, 29295), (2790, 28098), (2835, 27652), (3122, 25110), (3255, 24084), (3345, 23436), (3348, 23415), (3780, 20739), (3906, 20070), (4014, 19530), (4185, 18732), (4340, 18063), (4460, 17577), (4683, 16740), (5022, 15610), (5580, 14049), (5670, 13826), (5859, 13380), (6021, 13020), (6244, 12555), (6510, 12042), (6690, 11718), (6913, 11340), (7805, 10044), (7812, 10035), (8028, 9765), (8370, 9366)]