998343840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 288

約数和(自身を含む): 3524000256

約数和(自身を除く): 2525656416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 169, 186, 195, 208, 240, 248, 260, 310, 312, 338, 372, 390, 397, 403, 416, 465, 480, 496, 507, 520, 620, 624, 676, 744, 780, 794, 806, 845, 930, 992, 1014, 1040, 1191, 1209, 1240, 1248, 1352, 1488, 1560, 1588, 1612, 1690, 1860, 1985, 2015, 2028, 2080, 2382, 2418, 2480, 2535, 2704, 2976, 3120, 3176, 3224, 3380, 3720, 3970, 4030, 4056, 4764, 4836, 4960, 5070, 5161, 5239, 5408, 5955, 6045, 6240, 6352, 6448, 6760, 7440, 7940, 8060, 8112, 9528, 9672, 10140, 10322, 10478, 11910, 12090, 12307, 12704, 12896, 13520, 14880, 15483, 15717, 15880, 16120, 16224, 19056, 19344, 20280, 20644, 20956, 23820, 24180, 24614, 25805, 26195, 27040, 30966, 31434, 31760, 32240, 36921, 38112, 38688, 40560, 41288, 41912, 47640, 48360, 49228, 51610, 52390, 61535, 61932, 62868, 63520, 64480, 67093, 73842, 77415, 78585, 81120, 82576, 83824, 95280, 96720, 98456, 103220, 104780, 123070, 123864, 125736, 134186, 147684, 154830, 157170, 159991, 165152, 167648, 184605, 190560, 193440, 196912, 201279, 206440, 209560, 246140, 247728, 251472, 268372, 295368, 309660, 314340, 319982, 335465, 369210, 393824, 402558, 412880, 419120, 479973, 492280, 495456, 502944, 536744, 590736, 619320, 628680, 639964, 670930, 738420, 799955, 805116, 825760, 838240, 959946, 984560, 1006395, 1073488, 1181472, 1238640, 1257360, 1279928, 1341860, 1476840, 1599910, 1610232, 1919892, 1969120, 2012790, 2079883, 2146976, 2399865, 2477280, 2514720, 2559856, 2683720, 2953680, 3199820, 3220464, 3839784, 4025580, 4159766, 4799730, 5119712, 5367440, 5907360, 6239649, 6399640, 6440928, 7679568, 8051160, 8319532, 9599460, 10399415, 10734880, 12479298, 12799280, 15359136, 16102320, 16639064, 19198920, 20798830, 24958596, 25598560, 31198245, 32204640, 33278128, 38397840, 41597660, 49917192, 62396490, 66556256, 76795680, 83195320, 99834384, 124792980, 166390640, 199668768, 249585960, 332781280, 499171920, 998343840]

約数ペア:

[(1, 998343840), (2, 499171920), (3, 332781280), (4, 249585960), (5, 199668768), (6, 166390640), (8, 124792980), (10, 99834384), (12, 83195320), (13, 76795680), (15, 66556256), (16, 62396490), (20, 49917192), (24, 41597660), (26, 38397840), (30, 33278128), (31, 32204640), (32, 31198245), (39, 25598560), (40, 24958596), (48, 20798830), (52, 19198920), (60, 16639064), (62, 16102320), (65, 15359136), (78, 12799280), (80, 12479298), (93, 10734880), (96, 10399415), (104, 9599460), (120, 8319532), (124, 8051160), (130, 7679568), (155, 6440928), (156, 6399640), (160, 6239649), (169, 5907360), (186, 5367440), (195, 5119712), (208, 4799730), (240, 4159766), (248, 4025580), (260, 3839784), (310, 3220464), (312, 3199820), (338, 2953680), (372, 2683720), (390, 2559856), (397, 2514720), (403, 2477280), (416, 2399865), (465, 2146976), (480, 2079883), (496, 2012790), (507, 1969120), (520, 1919892), (620, 1610232), (624, 1599910), (676, 1476840), (744, 1341860), (780, 1279928), (794, 1257360), (806, 1238640), (845, 1181472), (930, 1073488), (992, 1006395), (1014, 984560), (1040, 959946), (1191, 838240), (1209, 825760), (1240, 805116), (1248, 799955), (1352, 738420), (1488, 670930), (1560, 639964), (1588, 628680), (1612, 619320), (1690, 590736), (1860, 536744), (1985, 502944), (2015, 495456), (2028, 492280), (2080, 479973), (2382, 419120), (2418, 412880), (2480, 402558), (2535, 393824), (2704, 369210), (2976, 335465), (3120, 319982), (3176, 314340), (3224, 309660), (3380, 295368), (3720, 268372), (3970, 251472), (4030, 247728), (4056, 246140), (4764, 209560), (4836, 206440), (4960, 201279), (5070, 196912), (5161, 193440), (5239, 190560), (5408, 184605), (5955, 167648), (6045, 165152), (6240, 159991), (6352, 157170), (6448, 154830), (6760, 147684), (7440, 134186), (7940, 125736), (8060, 123864), (8112, 123070), (9528, 104780), (9672, 103220), (10140, 98456), (10322, 96720), (10478, 95280), (11910, 83824), (12090, 82576), (12307, 81120), (12704, 78585), (12896, 77415), (13520, 73842), (14880, 67093), (15483, 64480), (15717, 63520), (15880, 62868), (16120, 61932), (16224, 61535), (19056, 52390), (19344, 51610), (20280, 49228), (20644, 48360), (20956, 47640), (23820, 41912), (24180, 41288), (24614, 40560), (25805, 38688), (26195, 38112), (27040, 36921), (30966, 32240), (31434, 31760)]