20210403420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{7079}}^1$

素因数の和:7425

約数の個数: 192

約数和(自身を含む): 66798950400

約数和(自身を除く): 46588546980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 311, 340, 459, 510, 540, 612, 622, 765, 918, 933, 1020, 1244, 1530, 1555, 1836, 1866, 2295, 2799, 3060, 3110, 3732, 4590, 4665, 5287, 5598, 6220, 7079, 8397, 9180, 9330, 10574, 11196, 13995, 14158, 15861, 16794, 18660, 21148, 21237, 26435, 27990, 28316, 31722, 33588, 35395, 41985, 42474, 47583, 52870, 55980, 63444, 63711, 70790, 79305, 83970, 84948, 95166, 105740, 106185, 120343, 127422, 141580, 142749, 158610, 167940, 190332, 191133, 212370, 237915, 240686, 254844, 285498, 317220, 318555, 361029, 382266, 424740, 475830, 481372, 570996, 601715, 637110, 713745, 722058, 764532, 951660, 955665, 1083087, 1203430, 1274220, 1427490, 1444116, 1805145, 1911330, 2166174, 2201569, 2406860, 2854980, 3249261, 3610290, 3822660, 4332348, 4403138, 5415435, 6498522, 6604707, 7220580, 8806276, 10830870, 11007845, 12997044, 13209414, 16246305, 19814121, 21661740, 22015690, 26418828, 32492610, 33023535, 37426673, 39628242, 44031380, 59442363, 64985220, 66047070, 74853346, 79256484, 99070605, 112280019, 118884726, 132094140, 149706692, 187133365, 198141210, 224560038, 237769452, 297211815, 336840057, 374266730, 396282420, 449120076, 561400095, 594423630, 673680114, 748533460, 1010520171, 1122800190, 1188847260, 1347360228, 1684200285, 2021040342, 2245600380, 3368400570, 4042080684, 5052600855, 6736801140, 10105201710, 20210403420]

約数ペア:

[(1, 20210403420), (2, 10105201710), (3, 6736801140), (4, 5052600855), (5, 4042080684), (6, 3368400570), (9, 2245600380), (10, 2021040342), (12, 1684200285), (15, 1347360228), (17, 1188847260), (18, 1122800190), (20, 1010520171), (27, 748533460), (30, 673680114), (34, 594423630), (36, 561400095), (45, 449120076), (51, 396282420), (54, 374266730), (60, 336840057), (68, 297211815), (85, 237769452), (90, 224560038), (102, 198141210), (108, 187133365), (135, 149706692), (153, 132094140), (170, 118884726), (180, 112280019), (204, 99070605), (255, 79256484), (270, 74853346), (306, 66047070), (311, 64985220), (340, 59442363), (459, 44031380), (510, 39628242), (540, 37426673), (612, 33023535), (622, 32492610), (765, 26418828), (918, 22015690), (933, 21661740), (1020, 19814121), (1244, 16246305), (1530, 13209414), (1555, 12997044), (1836, 11007845), (1866, 10830870), (2295, 8806276), (2799, 7220580), (3060, 6604707), (3110, 6498522), (3732, 5415435), (4590, 4403138), (4665, 4332348), (5287, 3822660), (5598, 3610290), (6220, 3249261), (7079, 2854980), (8397, 2406860), (9180, 2201569), (9330, 2166174), (10574, 1911330), (11196, 1805145), (13995, 1444116), (14158, 1427490), (15861, 1274220), (16794, 1203430), (18660, 1083087), (21148, 955665), (21237, 951660), (26435, 764532), (27990, 722058), (28316, 713745), (31722, 637110), (33588, 601715), (35395, 570996), (41985, 481372), (42474, 475830), (47583, 424740), (52870, 382266), (55980, 361029), (63444, 318555), (63711, 317220), (70790, 285498), (79305, 254844), (83970, 240686), (84948, 237915), (95166, 212370), (105740, 191133), (106185, 190332), (120343, 167940), (127422, 158610), (141580, 142749)]