16278780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{113}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 53644752

約数和(自身を除く): 37365972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 113, 140, 147, 196, 210, 226, 245, 294, 339, 343, 420, 452, 490, 565, 588, 678, 686, 735, 791, 980, 1029, 1130, 1356, 1372, 1470, 1582, 1695, 1715, 2058, 2260, 2373, 2401, 2940, 3164, 3390, 3430, 3955, 4116, 4746, 4802, 5145, 5537, 6780, 6860, 7203, 7910, 9492, 9604, 10290, 11074, 11865, 12005, 14406, 15820, 16611, 20580, 22148, 23730, 24010, 27685, 28812, 33222, 36015, 38759, 47460, 48020, 55370, 66444, 72030, 77518, 83055, 110740, 116277, 144060, 155036, 166110, 193795, 232554, 271313, 332220, 387590, 465108, 542626, 581385, 775180, 813939, 1085252, 1162770, 1356565, 1627878, 2325540, 2713130, 3255756, 4069695, 5426260, 8139390, 16278780]

約数ペア:

[(1, 16278780), (2, 8139390), (3, 5426260), (4, 4069695), (5, 3255756), (6, 2713130), (7, 2325540), (10, 1627878), (12, 1356565), (14, 1162770), (15, 1085252), (20, 813939), (21, 775180), (28, 581385), (30, 542626), (35, 465108), (42, 387590), (49, 332220), (60, 271313), (70, 232554), (84, 193795), (98, 166110), (105, 155036), (113, 144060), (140, 116277), (147, 110740), (196, 83055), (210, 77518), (226, 72030), (245, 66444), (294, 55370), (339, 48020), (343, 47460), (420, 38759), (452, 36015), (490, 33222), (565, 28812), (588, 27685), (678, 24010), (686, 23730), (735, 22148), (791, 20580), (980, 16611), (1029, 15820), (1130, 14406), (1356, 12005), (1372, 11865), (1470, 11074), (1582, 10290), (1695, 9604), (1715, 9492), (2058, 7910), (2260, 7203), (2373, 6860), (2401, 6780), (2940, 5537), (3164, 5145), (3390, 4802), (3430, 4746), (3955, 4116)]