181246380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1087}}^1$

素因数の和:1503

約数の個数: 96

約数和(自身を含む): 581984256

約数和(自身を除く): 400737876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 420, 794, 1087, 1191, 1588, 1985, 2174, 2382, 2779, 3261, 3970, 4348, 4764, 5435, 5558, 5955, 6522, 7609, 7940, 8337, 10870, 11116, 11910, 13044, 13895, 15218, 16305, 16674, 21740, 22827, 23820, 27790, 30436, 32610, 33348, 38045, 41685, 45654, 55580, 65220, 76090, 83370, 91308, 114135, 152180, 166740, 228270, 431539, 456540, 863078, 1294617, 1726156, 2157695, 2589234, 3020773, 4315390, 5178468, 6041546, 6473085, 8630780, 9062319, 12083092, 12946170, 15103865, 18124638, 25892340, 30207730, 36249276, 45311595, 60415460, 90623190, 181246380]

約数ペア:

[(1, 181246380), (2, 90623190), (3, 60415460), (4, 45311595), (5, 36249276), (6, 30207730), (7, 25892340), (10, 18124638), (12, 15103865), (14, 12946170), (15, 12083092), (20, 9062319), (21, 8630780), (28, 6473085), (30, 6041546), (35, 5178468), (42, 4315390), (60, 3020773), (70, 2589234), (84, 2157695), (105, 1726156), (140, 1294617), (210, 863078), (397, 456540), (420, 431539), (794, 228270), (1087, 166740), (1191, 152180), (1588, 114135), (1985, 91308), (2174, 83370), (2382, 76090), (2779, 65220), (3261, 55580), (3970, 45654), (4348, 41685), (4764, 38045), (5435, 33348), (5558, 32610), (5955, 30436), (6522, 27790), (7609, 23820), (7940, 22827), (8337, 21740), (10870, 16674), (11116, 16305), (11910, 15218), (13044, 13895)]