2021916420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{660757}}^1$

素因数の和:660789

約数の個数: 72

約数和(自身を含む): 6493929624

約数和(自身を除く): 4472013204

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, 306, 340, 510, 612, 765, 1020, 1530, 3060, 660757, 1321514, 1982271, 2643028, 3303785, 3964542, 5946813, 6607570, 7929084, 9911355, 11232869, 11893626, 13215140, 19822710, 22465738, 23787252, 29734065, 33698607, 39645420, 44931476, 56164345, 59468130, 67397214, 101095821, 112328690, 118936260, 134794428, 168493035, 202191642, 224657380, 336986070, 404383284, 505479105, 673972140, 1010958210, 2021916420]

約数ペア:

[(1, 2021916420), (2, 1010958210), (3, 673972140), (4, 505479105), (5, 404383284), (6, 336986070), (9, 224657380), (10, 202191642), (12, 168493035), (15, 134794428), (17, 118936260), (18, 112328690), (20, 101095821), (30, 67397214), (34, 59468130), (36, 56164345), (45, 44931476), (51, 39645420), (60, 33698607), (68, 29734065), (85, 23787252), (90, 22465738), (102, 19822710), (153, 13215140), (170, 11893626), (180, 11232869), (204, 9911355), (255, 7929084), (306, 6607570), (340, 5946813), (510, 3964542), (612, 3303785), (765, 2643028), (1020, 1982271), (1530, 1321514), (3060, 660757)]