1811220880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1033}}^1$

素因数の和:1185

約数の個数: 160

約数和(自身を含む): 5021964288

約数和(自身を除く): 3210743408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 101, 112, 124, 140, 155, 202, 217, 248, 280, 310, 404, 434, 496, 505, 560, 620, 707, 808, 868, 1010, 1033, 1085, 1240, 1414, 1616, 1736, 2020, 2066, 2170, 2480, 2828, 3131, 3472, 3535, 4040, 4132, 4340, 5165, 5656, 6262, 7070, 7231, 8080, 8264, 8680, 10330, 11312, 12524, 14140, 14462, 15655, 16528, 17360, 20660, 21917, 25048, 28280, 28924, 31310, 32023, 36155, 41320, 43834, 50096, 56560, 57848, 62620, 64046, 72310, 82640, 87668, 104333, 109585, 115696, 125240, 128092, 144620, 160115, 175336, 208666, 219170, 224161, 250480, 256184, 289240, 320230, 350672, 417332, 438340, 448322, 512368, 521665, 578480, 640460, 730331, 834664, 876680, 896644, 1043330, 1120805, 1280920, 1460662, 1669328, 1753360, 1793288, 2086660, 2241610, 2561840, 2921324, 3234323, 3586576, 3651655, 4173320, 4483220, 5842648, 6468646, 7303310, 8346640, 8966440, 11685296, 12937292, 14606620, 16171615, 17932880, 22640261, 25874584, 29213240, 32343230, 45280522, 51749168, 58426480, 64686460, 90561044, 113201305, 129372920, 181122088, 226402610, 258745840, 362244176, 452805220, 905610440, 1811220880]

約数ペア:

[(1, 1811220880), (2, 905610440), (4, 452805220), (5, 362244176), (7, 258745840), (8, 226402610), (10, 181122088), (14, 129372920), (16, 113201305), (20, 90561044), (28, 64686460), (31, 58426480), (35, 51749168), (40, 45280522), (56, 32343230), (62, 29213240), (70, 25874584), (80, 22640261), (101, 17932880), (112, 16171615), (124, 14606620), (140, 12937292), (155, 11685296), (202, 8966440), (217, 8346640), (248, 7303310), (280, 6468646), (310, 5842648), (404, 4483220), (434, 4173320), (496, 3651655), (505, 3586576), (560, 3234323), (620, 2921324), (707, 2561840), (808, 2241610), (868, 2086660), (1010, 1793288), (1033, 1753360), (1085, 1669328), (1240, 1460662), (1414, 1280920), (1616, 1120805), (1736, 1043330), (2020, 896644), (2066, 876680), (2170, 834664), (2480, 730331), (2828, 640460), (3131, 578480), (3472, 521665), (3535, 512368), (4040, 448322), (4132, 438340), (4340, 417332), (5165, 350672), (5656, 320230), (6262, 289240), (7070, 256184), (7231, 250480), (8080, 224161), (8264, 219170), (8680, 208666), (10330, 175336), (11312, 160115), (12524, 144620), (14140, 128092), (14462, 125240), (15655, 115696), (16528, 109585), (17360, 104333), (20660, 87668), (21917, 82640), (25048, 72310), (28280, 64046), (28924, 62620), (31310, 57848), (32023, 56560), (36155, 50096), (41320, 43834)]