211815180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 662957568

約数和(自身を除く): 451142388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 101, 122, 180, 183, 191, 202, 244, 303, 305, 366, 382, 404, 505, 549, 573, 606, 610, 732, 764, 909, 915, 955, 1010, 1098, 1146, 1212, 1220, 1515, 1719, 1818, 1830, 1910, 2020, 2196, 2292, 2745, 2865, 3030, 3438, 3636, 3660, 3820, 4545, 5490, 5730, 6060, 6161, 6876, 8595, 9090, 10980, 11460, 11651, 12322, 17190, 18180, 18483, 19291, 23302, 24644, 30805, 34380, 34953, 36966, 38582, 46604, 55449, 57873, 58255, 61610, 69906, 73932, 77164, 92415, 96455, 104859, 110898, 115746, 116510, 123220, 139812, 173619, 174765, 184830, 192910, 209718, 221796, 231492, 233020, 277245, 289365, 347238, 349530, 369660, 385820, 419436, 524295, 554490, 578730, 694476, 699060, 868095, 1048590, 1108980, 1157460, 1176751, 1736190, 2097180, 2353502, 3472380, 3530253, 4707004, 5883755, 7060506, 10590759, 11767510, 14121012, 17651265, 21181518, 23535020, 35302530, 42363036, 52953795, 70605060, 105907590, 211815180]

約数ペア:

[(1, 211815180), (2, 105907590), (3, 70605060), (4, 52953795), (5, 42363036), (6, 35302530), (9, 23535020), (10, 21181518), (12, 17651265), (15, 14121012), (18, 11767510), (20, 10590759), (30, 7060506), (36, 5883755), (45, 4707004), (60, 3530253), (61, 3472380), (90, 2353502), (101, 2097180), (122, 1736190), (180, 1176751), (183, 1157460), (191, 1108980), (202, 1048590), (244, 868095), (303, 699060), (305, 694476), (366, 578730), (382, 554490), (404, 524295), (505, 419436), (549, 385820), (573, 369660), (606, 349530), (610, 347238), (732, 289365), (764, 277245), (909, 233020), (915, 231492), (955, 221796), (1010, 209718), (1098, 192910), (1146, 184830), (1212, 174765), (1220, 173619), (1515, 139812), (1719, 123220), (1818, 116510), (1830, 115746), (1910, 110898), (2020, 104859), (2196, 96455), (2292, 92415), (2745, 77164), (2865, 73932), (3030, 69906), (3438, 61610), (3636, 58255), (3660, 57873), (3820, 55449), (4545, 46604), (5490, 38582), (5730, 36966), (6060, 34953), (6161, 34380), (6876, 30805), (8595, 24644), (9090, 23302), (10980, 19291), (11460, 18483), (11651, 18180), (12322, 17190)]