80256540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14699}}^1$

素因数の和:14731

約数の個数: 96

約数和(自身を含む): 276595200

約数和(自身を除く): 196338660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 14699, 29398, 44097, 58796, 73495, 88194, 102893, 146990, 176388, 191087, 205786, 220485, 293980, 308679, 382174, 411572, 440970, 514465, 573261, 617358, 764348, 881940, 955435, 1028930, 1146522, 1234716, 1337609, 1543395, 1910870, 2057860, 2293044, 2675218, 2866305, 3086790, 3821740, 4012827, 5350436, 5732610, 6173580, 6688045, 8025654, 11465220, 13376090, 16051308, 20064135, 26752180, 40128270, 80256540]

約数ペア:

[(1, 80256540), (2, 40128270), (3, 26752180), (4, 20064135), (5, 16051308), (6, 13376090), (7, 11465220), (10, 8025654), (12, 6688045), (13, 6173580), (14, 5732610), (15, 5350436), (20, 4012827), (21, 3821740), (26, 3086790), (28, 2866305), (30, 2675218), (35, 2293044), (39, 2057860), (42, 1910870), (52, 1543395), (60, 1337609), (65, 1234716), (70, 1146522), (78, 1028930), (84, 955435), (91, 881940), (105, 764348), (130, 617358), (140, 573261), (156, 514465), (182, 440970), (195, 411572), (210, 382174), (260, 308679), (273, 293980), (364, 220485), (390, 205786), (420, 191087), (455, 176388), (546, 146990), (780, 102893), (910, 88194), (1092, 73495), (1365, 58796), (1820, 44097), (2730, 29398), (5460, 14699)]