871571820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 288

約数和(自身を含む): 2993227776

約数和(自身を除く): 2121655956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 73, 84, 93, 98, 105, 124, 131, 140, 146, 147, 155, 186, 196, 210, 217, 219, 245, 262, 292, 294, 310, 365, 372, 393, 420, 434, 438, 465, 490, 511, 524, 588, 620, 651, 655, 730, 735, 786, 868, 876, 917, 930, 980, 1022, 1085, 1095, 1302, 1310, 1460, 1470, 1519, 1533, 1572, 1834, 1860, 1965, 2044, 2170, 2190, 2263, 2555, 2604, 2620, 2751, 2940, 3038, 3066, 3255, 3577, 3668, 3930, 4061, 4340, 4380, 4526, 4557, 4585, 5110, 5502, 6076, 6132, 6419, 6510, 6789, 7154, 7595, 7665, 7860, 8122, 9052, 9114, 9170, 9563, 10220, 10731, 11004, 11315, 12183, 12838, 13020, 13578, 13755, 14308, 15190, 15330, 15841, 16244, 17885, 18228, 18340, 19126, 19257, 20305, 21462, 22630, 22785, 24366, 25676, 27156, 27510, 28427, 28689, 30380, 30660, 31682, 32095, 33945, 35770, 38252, 38514, 40610, 42924, 45260, 45570, 47523, 47815, 48732, 53655, 55020, 56854, 57378, 60915, 63364, 64190, 66941, 67890, 71540, 77028, 79205, 81220, 85281, 91140, 95046, 95630, 96285, 107310, 110887, 113708, 114756, 121830, 128380, 133882, 135780, 142135, 143445, 158410, 170562, 190092, 191260, 192570, 198989, 200823, 214620, 221774, 237615, 243660, 267764, 284270, 286890, 296453, 316820, 332661, 334705, 341124, 385140, 397978, 401646, 426405, 443548, 468587, 475230, 554435, 568540, 573780, 592906, 596967, 665322, 669410, 795956, 803292, 852810, 889359, 937174, 950460, 994945, 1004115, 1108870, 1185812, 1193934, 1330644, 1338820, 1405761, 1482265, 1663305, 1705620, 1778718, 1874348, 1989890, 2008230, 2075171, 2217740, 2342935, 2387868, 2811522, 2964530, 2984835, 3326610, 3557436, 3979780, 4016460, 4150342, 4446795, 4685870, 5623044, 5929060, 5969670, 6225513, 6653220, 7028805, 8300684, 8893590, 9371740, 10375855, 11939340, 12451026, 14057610, 14526197, 17787180, 20751710, 24902052, 28115220, 29052394, 31127565, 41503420, 43578591, 58104788, 62255130, 72630985, 87157182, 124510260, 145261970, 174314364, 217892955, 290523940, 435785910, 871571820]

約数ペア:

[(1, 871571820), (2, 435785910), (3, 290523940), (4, 217892955), (5, 174314364), (6, 145261970), (7, 124510260), (10, 87157182), (12, 72630985), (14, 62255130), (15, 58104788), (20, 43578591), (21, 41503420), (28, 31127565), (30, 29052394), (31, 28115220), (35, 24902052), (42, 20751710), (49, 17787180), (60, 14526197), (62, 14057610), (70, 12451026), (73, 11939340), (84, 10375855), (93, 9371740), (98, 8893590), (105, 8300684), (124, 7028805), (131, 6653220), (140, 6225513), (146, 5969670), (147, 5929060), (155, 5623044), (186, 4685870), (196, 4446795), (210, 4150342), (217, 4016460), (219, 3979780), (245, 3557436), (262, 3326610), (292, 2984835), (294, 2964530), (310, 2811522), (365, 2387868), (372, 2342935), (393, 2217740), (420, 2075171), (434, 2008230), (438, 1989890), (465, 1874348), (490, 1778718), (511, 1705620), (524, 1663305), (588, 1482265), (620, 1405761), (651, 1338820), (655, 1330644), (730, 1193934), (735, 1185812), (786, 1108870), (868, 1004115), (876, 994945), (917, 950460), (930, 937174), (980, 889359), (1022, 852810), (1085, 803292), (1095, 795956), (1302, 669410), (1310, 665322), (1460, 596967), (1470, 592906), (1519, 573780), (1533, 568540), (1572, 554435), (1834, 475230), (1860, 468587), (1965, 443548), (2044, 426405), (2170, 401646), (2190, 397978), (2263, 385140), (2555, 341124), (2604, 334705), (2620, 332661), (2751, 316820), (2940, 296453), (3038, 286890), (3066, 284270), (3255, 267764), (3577, 243660), (3668, 237615), (3930, 221774), (4061, 214620), (4340, 200823), (4380, 198989), (4526, 192570), (4557, 191260), (4585, 190092), (5110, 170562), (5502, 158410), (6076, 143445), (6132, 142135), (6419, 135780), (6510, 133882), (6789, 128380), (7154, 121830), (7595, 114756), (7665, 113708), (7860, 110887), (8122, 107310), (9052, 96285), (9114, 95630), (9170, 95046), (9563, 91140), (10220, 85281), (10731, 81220), (11004, 79205), (11315, 77028), (12183, 71540), (12838, 67890), (13020, 66941), (13578, 64190), (13755, 63364), (14308, 60915), (15190, 57378), (15330, 56854), (15841, 55020), (16244, 53655), (17885, 48732), (18228, 47815), (18340, 47523), (19126, 45570), (19257, 45260), (20305, 42924), (21462, 40610), (22630, 38514), (22785, 38252), (24366, 35770), (25676, 33945), (27156, 32095), (27510, 31682), (28427, 30660), (28689, 30380)]