61378380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{6959}}^1$

素因数の和:6988

約数の個数: 108

約数和(自身を含む): 216609120

約数和(自身を除く): 155230740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 6959, 8820, 13918, 20877, 27836, 34795, 41754, 48713, 62631, 69590, 83508, 97426, 104385, 125262, 139180, 146139, 194852, 208770, 243565, 250524, 292278, 313155, 340991, 417540, 438417, 487130, 584556, 626310, 681982, 730695, 876834, 974260, 1022973, 1252620, 1363964, 1461390, 1704955, 1753668, 2045946, 2192085, 2922780, 3068919, 3409910, 4091892, 4384170, 5114865, 6137838, 6819820, 8768340, 10229730, 12275676, 15344595, 20459460, 30689190, 61378380]

約数ペア:

[(1, 61378380), (2, 30689190), (3, 20459460), (4, 15344595), (5, 12275676), (6, 10229730), (7, 8768340), (9, 6819820), (10, 6137838), (12, 5114865), (14, 4384170), (15, 4091892), (18, 3409910), (20, 3068919), (21, 2922780), (28, 2192085), (30, 2045946), (35, 1753668), (36, 1704955), (42, 1461390), (45, 1363964), (49, 1252620), (60, 1022973), (63, 974260), (70, 876834), (84, 730695), (90, 681982), (98, 626310), (105, 584556), (126, 487130), (140, 438417), (147, 417540), (180, 340991), (196, 313155), (210, 292278), (245, 250524), (252, 243565), (294, 208770), (315, 194852), (420, 146139), (441, 139180), (490, 125262), (588, 104385), (630, 97426), (735, 83508), (882, 69590), (980, 62631), (1260, 48713), (1470, 41754), (1764, 34795), (2205, 27836), (2940, 20877), (4410, 13918), (6959, 8820)]