320021520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14653}}^1$

素因数の和:14689

約数の個数: 160

約数和(自身を含む): 1221088512

約数和(自身を除く): 901066992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 14653, 21840, 29306, 43959, 58612, 73265, 87918, 102571, 117224, 146530, 175836, 190489, 205142, 219795, 234448, 293060, 307713, 351672, 380978, 410284, 439590, 512855, 571467, 586120, 615426, 703344, 761956, 820568, 879180, 952445, 1025710, 1142934, 1172240, 1230852, 1333423, 1523912, 1538565, 1641136, 1758360, 1904890, 2051420, 2285868, 2461704, 2666846, 2857335, 3047824, 3077130, 3516720, 3809780, 4000269, 4102840, 4571736, 4923408, 5333692, 5714670, 6154260, 6667115, 7619560, 8000538, 8205680, 9143472, 10667384, 11429340, 12308520, 13334230, 15239120, 16001076, 20001345, 21334768, 22858680, 24617040, 26668460, 32002152, 40002690, 45717360, 53336920, 64004304, 80005380, 106673840, 160010760, 320021520]

約数ペア:

[(1, 320021520), (2, 160010760), (3, 106673840), (4, 80005380), (5, 64004304), (6, 53336920), (7, 45717360), (8, 40002690), (10, 32002152), (12, 26668460), (13, 24617040), (14, 22858680), (15, 21334768), (16, 20001345), (20, 16001076), (21, 15239120), (24, 13334230), (26, 12308520), (28, 11429340), (30, 10667384), (35, 9143472), (39, 8205680), (40, 8000538), (42, 7619560), (48, 6667115), (52, 6154260), (56, 5714670), (60, 5333692), (65, 4923408), (70, 4571736), (78, 4102840), (80, 4000269), (84, 3809780), (91, 3516720), (104, 3077130), (105, 3047824), (112, 2857335), (120, 2666846), (130, 2461704), (140, 2285868), (156, 2051420), (168, 1904890), (182, 1758360), (195, 1641136), (208, 1538565), (210, 1523912), (240, 1333423), (260, 1230852), (273, 1172240), (280, 1142934), (312, 1025710), (336, 952445), (364, 879180), (390, 820568), (420, 761956), (455, 703344), (520, 615426), (546, 586120), (560, 571467), (624, 512855), (728, 439590), (780, 410284), (840, 380978), (910, 351672), (1040, 307713), (1092, 293060), (1365, 234448), (1456, 219795), (1560, 205142), (1680, 190489), (1820, 175836), (2184, 146530), (2730, 117224), (3120, 102571), (3640, 87918), (4368, 73265), (5460, 58612), (7280, 43959), (10920, 29306), (14653, 21840)]