30155560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 40968920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 293, 310, 332, 415, 586, 620, 664, 830, 1172, 1240, 1465, 1660, 2344, 2573, 2930, 3320, 5146, 5860, 9083, 10292, 11720, 12865, 18166, 20584, 24319, 25730, 36332, 45415, 48638, 51460, 72664, 90830, 97276, 102920, 121595, 181660, 194552, 243190, 363320, 486380, 753889, 972760, 1507778, 3015556, 3769445, 6031112, 7538890, 15077780, 30155560]

約数ペア:

[(1, 30155560), (2, 15077780), (4, 7538890), (5, 6031112), (8, 3769445), (10, 3015556), (20, 1507778), (31, 972760), (40, 753889), (62, 486380), (83, 363320), (124, 243190), (155, 194552), (166, 181660), (248, 121595), (293, 102920), (310, 97276), (332, 90830), (415, 72664), (586, 51460), (620, 48638), (664, 45415), (830, 36332), (1172, 25730), (1240, 24319), (1465, 20584), (1660, 18166), (2344, 12865), (2573, 11720), (2930, 10292), (3320, 9083), (5146, 5860)]