231579920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 653958144

約数和(自身を除く): 422378224

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 620, 653, 682, 715, 806, 880, 1040, 1144, 1240, 1306, 1364, 1430, 1612, 1705, 2015, 2288, 2480, 2612, 2728, 2860, 3224, 3265, 3410, 4030, 4433, 5224, 5456, 5720, 6448, 6530, 6820, 7183, 8060, 8489, 8866, 10448, 11440, 13060, 13640, 14366, 16120, 16978, 17732, 20243, 22165, 26120, 27280, 28732, 32240, 33956, 35464, 35915, 40486, 42445, 44330, 52240, 57464, 67912, 70928, 71830, 80972, 84890, 88660, 93379, 101215, 114928, 135824, 143660, 161944, 169780, 177320, 186758, 202430, 222673, 263159, 287320, 323888, 339560, 354640, 373516, 404860, 445346, 466895, 526318, 574640, 679120, 747032, 809720, 890692, 933790, 1052636, 1113365, 1315795, 1494064, 1619440, 1781384, 1867580, 2105272, 2226730, 2631590, 2894749, 3562768, 3735160, 4210544, 4453460, 5263180, 5789498, 7470320, 8906920, 10526360, 11578996, 14473745, 17813840, 21052720, 23157992, 28947490, 46315984, 57894980, 115789960, 231579920]

約数ペア:

[(1, 231579920), (2, 115789960), (4, 57894980), (5, 46315984), (8, 28947490), (10, 23157992), (11, 21052720), (13, 17813840), (16, 14473745), (20, 11578996), (22, 10526360), (26, 8906920), (31, 7470320), (40, 5789498), (44, 5263180), (52, 4453460), (55, 4210544), (62, 3735160), (65, 3562768), (80, 2894749), (88, 2631590), (104, 2226730), (110, 2105272), (124, 1867580), (130, 1781384), (143, 1619440), (155, 1494064), (176, 1315795), (208, 1113365), (220, 1052636), (248, 933790), (260, 890692), (286, 809720), (310, 747032), (341, 679120), (403, 574640), (440, 526318), (496, 466895), (520, 445346), (572, 404860), (620, 373516), (653, 354640), (682, 339560), (715, 323888), (806, 287320), (880, 263159), (1040, 222673), (1144, 202430), (1240, 186758), (1306, 177320), (1364, 169780), (1430, 161944), (1612, 143660), (1705, 135824), (2015, 114928), (2288, 101215), (2480, 93379), (2612, 88660), (2728, 84890), (2860, 80972), (3224, 71830), (3265, 70928), (3410, 67912), (4030, 57464), (4433, 52240), (5224, 44330), (5456, 42445), (5720, 40486), (6448, 35915), (6530, 35464), (6820, 33956), (7183, 32240), (8060, 28732), (8489, 27280), (8866, 26120), (10448, 22165), (11440, 20243), (13060, 17732), (13640, 16978), (14366, 16120)]