180791380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:606

約数の個数: 144

約数和(自身を含む): 498258432

約数和(自身を除く): 317467052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 308, 310, 341, 385, 434, 490, 539, 541, 620, 682, 770, 868, 980, 1078, 1082, 1085, 1364, 1519, 1540, 1705, 2156, 2164, 2170, 2387, 2695, 2705, 3038, 3410, 3787, 4340, 4774, 5390, 5410, 5951, 6076, 6820, 7574, 7595, 9548, 10780, 10820, 11902, 11935, 15148, 15190, 16709, 16771, 18935, 23804, 23870, 26509, 29755, 30380, 33418, 33542, 37870, 41657, 47740, 53018, 59510, 66836, 67084, 75740, 83314, 83545, 83855, 106036, 117397, 119020, 132545, 166628, 167090, 167710, 184481, 208285, 234794, 265090, 291599, 334180, 335420, 368962, 416570, 469588, 530180, 583198, 586985, 737924, 821779, 833140, 922405, 1166396, 1173970, 1291367, 1457995, 1643558, 1844810, 2347940, 2582734, 2915990, 3287116, 3689620, 4108895, 5165468, 5831980, 6456835, 8217790, 9039569, 12913670, 16435580, 18079138, 25827340, 36158276, 45197845, 90395690, 180791380]

約数ペア:

[(1, 180791380), (2, 90395690), (4, 45197845), (5, 36158276), (7, 25827340), (10, 18079138), (11, 16435580), (14, 12913670), (20, 9039569), (22, 8217790), (28, 6456835), (31, 5831980), (35, 5165468), (44, 4108895), (49, 3689620), (55, 3287116), (62, 2915990), (70, 2582734), (77, 2347940), (98, 1844810), (110, 1643558), (124, 1457995), (140, 1291367), (154, 1173970), (155, 1166396), (196, 922405), (217, 833140), (220, 821779), (245, 737924), (308, 586985), (310, 583198), (341, 530180), (385, 469588), (434, 416570), (490, 368962), (539, 335420), (541, 334180), (620, 291599), (682, 265090), (770, 234794), (868, 208285), (980, 184481), (1078, 167710), (1082, 167090), (1085, 166628), (1364, 132545), (1519, 119020), (1540, 117397), (1705, 106036), (2156, 83855), (2164, 83545), (2170, 83314), (2387, 75740), (2695, 67084), (2705, 66836), (3038, 59510), (3410, 53018), (3787, 47740), (4340, 41657), (4774, 37870), (5390, 33542), (5410, 33418), (5951, 30380), (6076, 29755), (6820, 26509), (7574, 23870), (7595, 23804), (9548, 18935), (10780, 16771), (10820, 16709), (11902, 15190), (11935, 15148)]