8020957980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{88007}}^1$

素因数の和:88064

約数の個数: 144

約数和(自身を含む): 26968467456

約数和(自身を除く): 18947509476

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, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 7595, 9114, 13020, 15190, 18228, 22785, 30380, 45570, 88007, 91140, 176014, 264021, 352028, 440035, 528042, 616049, 880070, 1056084, 1232098, 1320105, 1760140, 1848147, 2464196, 2640210, 2728217, 3080245, 3696294, 4312343, 5280420, 5456434, 6160490, 7392588, 8184651, 8624686, 9240735, 10912868, 12320980, 12937029, 13641085, 16369302, 17249372, 18481470, 19097519, 21561715, 25874058, 27282170, 32738604, 36962940, 38195038, 40923255, 43123430, 51748116, 54564340, 57292557, 64685145, 76390076, 81846510, 86246860, 95487595, 114585114, 129370290, 133682633, 163693020, 190975190, 229170228, 258740580, 267365266, 286462785, 381950380, 401047899, 534730532, 572925570, 668413165, 802095798, 1145851140, 1336826330, 1604191596, 2005239495, 2673652660, 4010478990, 8020957980]

約数ペア:

[(1, 8020957980), (2, 4010478990), (3, 2673652660), (4, 2005239495), (5, 1604191596), (6, 1336826330), (7, 1145851140), (10, 802095798), (12, 668413165), (14, 572925570), (15, 534730532), (20, 401047899), (21, 381950380), (28, 286462785), (30, 267365266), (31, 258740580), (35, 229170228), (42, 190975190), (49, 163693020), (60, 133682633), (62, 129370290), (70, 114585114), (84, 95487595), (93, 86246860), (98, 81846510), (105, 76390076), (124, 64685145), (140, 57292557), (147, 54564340), (155, 51748116), (186, 43123430), (196, 40923255), (210, 38195038), (217, 36962940), (245, 32738604), (294, 27282170), (310, 25874058), (372, 21561715), (420, 19097519), (434, 18481470), (465, 17249372), (490, 16369302), (588, 13641085), (620, 12937029), (651, 12320980), (735, 10912868), (868, 9240735), (930, 8624686), (980, 8184651), (1085, 7392588), (1302, 6160490), (1470, 5456434), (1519, 5280420), (1860, 4312343), (2170, 3696294), (2604, 3080245), (2940, 2728217), (3038, 2640210), (3255, 2464196), (4340, 1848147), (4557, 1760140), (6076, 1320105), (6510, 1232098), (7595, 1056084), (9114, 880070), (13020, 616049), (15190, 528042), (18228, 440035), (22785, 352028), (30380, 264021), (45570, 176014), (88007, 91140)]