215230380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 614718720

約数和(自身を除く): 399488340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 139, 197, 262, 278, 393, 394, 417, 524, 556, 591, 655, 695, 786, 788, 834, 985, 1182, 1310, 1390, 1572, 1668, 1965, 1970, 2085, 2364, 2620, 2780, 2955, 3930, 3940, 4170, 5910, 7860, 8340, 11820, 18209, 25807, 27383, 36418, 51614, 54627, 54766, 72836, 77421, 82149, 91045, 103228, 109254, 109532, 129035, 136915, 154842, 164298, 182090, 218508, 258070, 273135, 273830, 309684, 328596, 364180, 387105, 410745, 516140, 546270, 547660, 774210, 821490, 1092540, 1548420, 1642980, 3587173, 7174346, 10761519, 14348692, 17935865, 21523038, 35871730, 43046076, 53807595, 71743460, 107615190, 215230380]

約数ペア:

[(1, 215230380), (2, 107615190), (3, 71743460), (4, 53807595), (5, 43046076), (6, 35871730), (10, 21523038), (12, 17935865), (15, 14348692), (20, 10761519), (30, 7174346), (60, 3587173), (131, 1642980), (139, 1548420), (197, 1092540), (262, 821490), (278, 774210), (393, 547660), (394, 546270), (417, 516140), (524, 410745), (556, 387105), (591, 364180), (655, 328596), (695, 309684), (786, 273830), (788, 273135), (834, 258070), (985, 218508), (1182, 182090), (1310, 164298), (1390, 154842), (1572, 136915), (1668, 129035), (1965, 109532), (1970, 109254), (2085, 103228), (2364, 91045), (2620, 82149), (2780, 77421), (2955, 72836), (3930, 54766), (3940, 54627), (4170, 51614), (5910, 36418), (7860, 27383), (8340, 25807), (11820, 18209)]