2019468420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{38821}}^1$

素因数の和:38870

約数の個数: 108

約数和(自身を含む): 6507421284

約数和(自身を除く): 4487952864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 4335, 5202, 5780, 8670, 10404, 13005, 17340, 26010, 38821, 52020, 77642, 116463, 155284, 194105, 232926, 349389, 388210, 465852, 582315, 659957, 698778, 776420, 1164630, 1319914, 1397556, 1746945, 1979871, 2329260, 2639828, 3299785, 3493890, 3959742, 5939613, 6599570, 6987780, 7919484, 9899355, 11219269, 11879226, 13199140, 19798710, 22438538, 23758452, 29698065, 33657807, 39597420, 44877076, 56096345, 59396130, 67315614, 100973421, 112192690, 118792260, 134631228, 168289035, 201946842, 224385380, 336578070, 403893684, 504867105, 673156140, 1009734210, 2019468420]

約数ペア:

[(1, 2019468420), (2, 1009734210), (3, 673156140), (4, 504867105), (5, 403893684), (6, 336578070), (9, 224385380), (10, 201946842), (12, 168289035), (15, 134631228), (17, 118792260), (18, 112192690), (20, 100973421), (30, 67315614), (34, 59396130), (36, 56096345), (45, 44877076), (51, 39597420), (60, 33657807), (68, 29698065), (85, 23758452), (90, 22438538), (102, 19798710), (153, 13199140), (170, 11879226), (180, 11219269), (204, 9899355), (255, 7919484), (289, 6987780), (306, 6599570), (340, 5939613), (510, 3959742), (578, 3493890), (612, 3299785), (765, 2639828), (867, 2329260), (1020, 1979871), (1156, 1746945), (1445, 1397556), (1530, 1319914), (1734, 1164630), (2601, 776420), (2890, 698778), (3060, 659957), (3468, 582315), (4335, 465852), (5202, 388210), (5780, 349389), (8670, 232926), (10404, 194105), (13005, 155284), (17340, 116463), (26010, 77642), (38821, 52020)]