30518180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 86184000

約数和(自身を除く): 55665820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 149, 154, 190, 196, 209, 220, 245, 266, 298, 308, 380, 385, 418, 490, 532, 539, 596, 665, 745, 770, 836, 931, 980, 1043, 1045, 1078, 1330, 1463, 1490, 1540, 1639, 1862, 2086, 2090, 2156, 2660, 2695, 2831, 2926, 2980, 3278, 3724, 4172, 4180, 4655, 5215, 5390, 5662, 5852, 6556, 7301, 7315, 8195, 9310, 10241, 10430, 10780, 11324, 11473, 14155, 14602, 14630, 16390, 18620, 19817, 20482, 20860, 22946, 28310, 29204, 29260, 31141, 32780, 36505, 39634, 40964, 45892, 51205, 56620, 57365, 62282, 73010, 79268, 80311, 99085, 102410, 114730, 124564, 138719, 146020, 155705, 160622, 198170, 204820, 217987, 229460, 277438, 311410, 321244, 396340, 401555, 435974, 554876, 622820, 693595, 803110, 871948, 1089935, 1387190, 1525909, 1606220, 2179870, 2774380, 3051818, 4359740, 6103636, 7629545, 15259090, 30518180]

約数ペア:

[(1, 30518180), (2, 15259090), (4, 7629545), (5, 6103636), (7, 4359740), (10, 3051818), (11, 2774380), (14, 2179870), (19, 1606220), (20, 1525909), (22, 1387190), (28, 1089935), (35, 871948), (38, 803110), (44, 693595), (49, 622820), (55, 554876), (70, 435974), (76, 401555), (77, 396340), (95, 321244), (98, 311410), (110, 277438), (133, 229460), (140, 217987), (149, 204820), (154, 198170), (190, 160622), (196, 155705), (209, 146020), (220, 138719), (245, 124564), (266, 114730), (298, 102410), (308, 99085), (380, 80311), (385, 79268), (418, 73010), (490, 62282), (532, 57365), (539, 56620), (596, 51205), (665, 45892), (745, 40964), (770, 39634), (836, 36505), (931, 32780), (980, 31141), (1043, 29260), (1045, 29204), (1078, 28310), (1330, 22946), (1463, 20860), (1490, 20482), (1540, 19817), (1639, 18620), (1862, 16390), (2086, 14630), (2090, 14602), (2156, 14155), (2660, 11473), (2695, 11324), (2831, 10780), (2926, 10430), (2980, 10241), (3278, 9310), (3724, 8195), (4172, 7315), (4180, 7301), (4655, 6556), (5215, 5852), (5390, 5662)]