221566590

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1699}}^1$

素因数の和:1748

約数の個数: 160

約数和(自身を含む): 710899200

約数和(自身を除く): 489332610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 81, 90, 105, 115, 126, 135, 138, 161, 162, 189, 207, 210, 230, 270, 315, 322, 345, 378, 405, 414, 483, 567, 621, 630, 690, 805, 810, 945, 966, 1035, 1134, 1242, 1449, 1610, 1699, 1863, 1890, 2070, 2415, 2835, 2898, 3105, 3398, 3726, 4347, 4830, 5097, 5670, 6210, 7245, 8495, 8694, 9315, 10194, 11893, 13041, 14490, 15291, 16990, 18630, 21735, 23786, 25485, 26082, 30582, 35679, 39077, 43470, 45873, 50970, 59465, 65205, 71358, 76455, 78154, 91746, 107037, 117231, 118930, 130410, 137619, 152910, 178395, 195385, 214074, 229365, 234462, 273539, 275238, 321111, 351693, 356790, 390770, 458730, 535185, 547078, 586155, 642222, 688095, 703386, 820617, 963333, 1055079, 1070370, 1172310, 1367695, 1376190, 1605555, 1641234, 1758465, 1926666, 2110158, 2461851, 2735390, 3165237, 3211110, 3516930, 4103085, 4816665, 4923702, 5275395, 6330474, 7385553, 8206170, 9633330, 10550790, 12309255, 14771106, 15826185, 22156659, 24618510, 31652370, 36927765, 44313318, 73855530, 110783295, 221566590]

約数ペア:

[(1, 221566590), (2, 110783295), (3, 73855530), (5, 44313318), (6, 36927765), (7, 31652370), (9, 24618510), (10, 22156659), (14, 15826185), (15, 14771106), (18, 12309255), (21, 10550790), (23, 9633330), (27, 8206170), (30, 7385553), (35, 6330474), (42, 5275395), (45, 4923702), (46, 4816665), (54, 4103085), (63, 3516930), (69, 3211110), (70, 3165237), (81, 2735390), (90, 2461851), (105, 2110158), (115, 1926666), (126, 1758465), (135, 1641234), (138, 1605555), (161, 1376190), (162, 1367695), (189, 1172310), (207, 1070370), (210, 1055079), (230, 963333), (270, 820617), (315, 703386), (322, 688095), (345, 642222), (378, 586155), (405, 547078), (414, 535185), (483, 458730), (567, 390770), (621, 356790), (630, 351693), (690, 321111), (805, 275238), (810, 273539), (945, 234462), (966, 229365), (1035, 214074), (1134, 195385), (1242, 178395), (1449, 152910), (1610, 137619), (1699, 130410), (1863, 118930), (1890, 117231), (2070, 107037), (2415, 91746), (2835, 78154), (2898, 76455), (3105, 71358), (3398, 65205), (3726, 59465), (4347, 50970), (4830, 45873), (5097, 43470), (5670, 39077), (6210, 35679), (7245, 30582), (8495, 26082), (8694, 25485), (9315, 23786), (10194, 21735), (11893, 18630), (13041, 16990), (14490, 15291)]