30199140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 68867100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 71, 85, 90, 102, 139, 142, 153, 170, 180, 204, 213, 255, 278, 284, 306, 340, 355, 417, 426, 510, 556, 612, 639, 695, 710, 765, 834, 852, 1020, 1065, 1207, 1251, 1278, 1390, 1420, 1530, 1668, 2085, 2130, 2363, 2414, 2502, 2556, 2780, 3060, 3195, 3621, 4170, 4260, 4726, 4828, 5004, 6035, 6255, 6390, 7089, 7242, 8340, 9452, 9869, 10863, 11815, 12070, 12510, 12780, 14178, 14484, 18105, 19738, 21267, 21726, 23630, 24140, 25020, 28356, 29607, 35445, 36210, 39476, 42534, 43452, 47260, 49345, 54315, 59214, 70890, 72420, 85068, 88821, 98690, 106335, 108630, 118428, 141780, 148035, 167773, 177642, 197380, 212670, 217260, 296070, 335546, 355284, 425340, 444105, 503319, 592140, 671092, 838865, 888210, 1006638, 1509957, 1677730, 1776420, 2013276, 2516595, 3019914, 3355460, 5033190, 6039828, 7549785, 10066380, 15099570, 30199140]

約数ペア:

[(1, 30199140), (2, 15099570), (3, 10066380), (4, 7549785), (5, 6039828), (6, 5033190), (9, 3355460), (10, 3019914), (12, 2516595), (15, 2013276), (17, 1776420), (18, 1677730), (20, 1509957), (30, 1006638), (34, 888210), (36, 838865), (45, 671092), (51, 592140), (60, 503319), (68, 444105), (71, 425340), (85, 355284), (90, 335546), (102, 296070), (139, 217260), (142, 212670), (153, 197380), (170, 177642), (180, 167773), (204, 148035), (213, 141780), (255, 118428), (278, 108630), (284, 106335), (306, 98690), (340, 88821), (355, 85068), (417, 72420), (426, 70890), (510, 59214), (556, 54315), (612, 49345), (639, 47260), (695, 43452), (710, 42534), (765, 39476), (834, 36210), (852, 35445), (1020, 29607), (1065, 28356), (1207, 25020), (1251, 24140), (1278, 23630), (1390, 21726), (1420, 21267), (1530, 19738), (1668, 18105), (2085, 14484), (2130, 14178), (2363, 12780), (2414, 12510), (2502, 12070), (2556, 11815), (2780, 10863), (3060, 9869), (3195, 9452), (3621, 8340), (4170, 7242), (4260, 7089), (4726, 6390), (4828, 6255), (5004, 6035)]