178520940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 288

約数和(自身を含む): 634023936

約数和(自身を除く): 455502996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 31, 36, 39, 45, 46, 52, 60, 62, 65, 69, 78, 90, 92, 93, 107, 115, 117, 124, 130, 138, 155, 156, 180, 186, 195, 207, 214, 230, 234, 260, 276, 279, 299, 310, 321, 345, 372, 390, 403, 414, 428, 460, 465, 468, 535, 558, 585, 598, 620, 642, 690, 713, 780, 806, 828, 897, 930, 963, 1035, 1070, 1116, 1170, 1196, 1209, 1284, 1380, 1391, 1395, 1426, 1495, 1605, 1612, 1794, 1860, 1926, 2015, 2070, 2139, 2140, 2340, 2418, 2461, 2691, 2782, 2790, 2852, 2990, 3210, 3317, 3565, 3588, 3627, 3852, 4030, 4140, 4173, 4278, 4485, 4815, 4836, 4922, 5382, 5564, 5580, 5980, 6045, 6417, 6420, 6634, 6955, 7130, 7254, 7383, 8060, 8346, 8556, 8970, 9269, 9630, 9844, 9951, 10695, 10764, 12090, 12305, 12519, 12834, 13268, 13455, 13910, 14260, 14508, 14766, 16585, 16692, 17940, 18135, 18538, 19260, 19902, 20865, 21390, 22149, 24180, 24610, 25038, 25668, 26910, 27807, 27820, 29532, 29853, 31993, 32085, 33170, 36270, 36915, 37076, 39804, 41730, 42780, 43121, 44298, 46345, 49220, 49755, 50076, 53820, 55614, 59706, 62595, 63986, 64170, 66340, 72540, 73830, 76291, 83421, 83460, 86242, 88596, 92690, 95979, 99510, 110745, 111228, 119412, 125190, 127972, 128340, 129363, 139035, 147660, 149265, 152582, 159965, 166842, 172484, 185380, 191958, 199020, 215605, 221490, 228873, 250380, 258726, 278070, 287937, 298530, 305164, 319930, 333684, 381455, 383916, 388089, 417105, 431210, 442980, 457746, 479895, 517452, 556140, 575874, 597060, 639860, 646815, 686619, 762910, 776178, 834210, 862420, 915492, 959790, 991783, 1144365, 1151748, 1293630, 1373238, 1439685, 1525820, 1552356, 1668420, 1919580, 1940445, 1983566, 2288730, 2587260, 2746476, 2879370, 2975349, 3433095, 3880890, 3967132, 4577460, 4958915, 5758740, 5950698, 6866190, 7761780, 8926047, 9917830, 11901396, 13732380, 14876745, 17852094, 19835660, 29753490, 35704188, 44630235, 59506980, 89260470, 178520940]

約数ペア:

[(1, 178520940), (2, 89260470), (3, 59506980), (4, 44630235), (5, 35704188), (6, 29753490), (9, 19835660), (10, 17852094), (12, 14876745), (13, 13732380), (15, 11901396), (18, 9917830), (20, 8926047), (23, 7761780), (26, 6866190), (30, 5950698), (31, 5758740), (36, 4958915), (39, 4577460), (45, 3967132), (46, 3880890), (52, 3433095), (60, 2975349), (62, 2879370), (65, 2746476), (69, 2587260), (78, 2288730), (90, 1983566), (92, 1940445), (93, 1919580), (107, 1668420), (115, 1552356), (117, 1525820), (124, 1439685), (130, 1373238), (138, 1293630), (155, 1151748), (156, 1144365), (180, 991783), (186, 959790), (195, 915492), (207, 862420), (214, 834210), (230, 776178), (234, 762910), (260, 686619), (276, 646815), (279, 639860), (299, 597060), (310, 575874), (321, 556140), (345, 517452), (372, 479895), (390, 457746), (403, 442980), (414, 431210), (428, 417105), (460, 388089), (465, 383916), (468, 381455), (535, 333684), (558, 319930), (585, 305164), (598, 298530), (620, 287937), (642, 278070), (690, 258726), (713, 250380), (780, 228873), (806, 221490), (828, 215605), (897, 199020), (930, 191958), (963, 185380), (1035, 172484), (1070, 166842), (1116, 159965), (1170, 152582), (1196, 149265), (1209, 147660), (1284, 139035), (1380, 129363), (1391, 128340), (1395, 127972), (1426, 125190), (1495, 119412), (1605, 111228), (1612, 110745), (1794, 99510), (1860, 95979), (1926, 92690), (2015, 88596), (2070, 86242), (2139, 83460), (2140, 83421), (2340, 76291), (2418, 73830), (2461, 72540), (2691, 66340), (2782, 64170), (2790, 63986), (2852, 62595), (2990, 59706), (3210, 55614), (3317, 53820), (3565, 50076), (3588, 49755), (3627, 49220), (3852, 46345), (4030, 44298), (4140, 43121), (4173, 42780), (4278, 41730), (4485, 39804), (4815, 37076), (4836, 36915), (4922, 36270), (5382, 33170), (5564, 32085), (5580, 31993), (5980, 29853), (6045, 29532), (6417, 27820), (6420, 27807), (6634, 26910), (6955, 25668), (7130, 25038), (7254, 24610), (7383, 24180), (8060, 22149), (8346, 21390), (8556, 20865), (8970, 19902), (9269, 19260), (9630, 18538), (9844, 18135), (9951, 17940), (10695, 16692), (10764, 16585), (12090, 14766), (12305, 14508), (12519, 14260), (12834, 13910), (13268, 13455)]