28484520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13963}}^1$

素因数の和:13994

約数の個数: 64

約数和(自身を含む): 90486720

約数和(自身を除く): 62002200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13963, 27926, 41889, 55852, 69815, 83778, 111704, 139630, 167556, 209445, 237371, 279260, 335112, 418890, 474742, 558520, 712113, 837780, 949484, 1186855, 1424226, 1675560, 1898968, 2373710, 2848452, 3560565, 4747420, 5696904, 7121130, 9494840, 14242260, 28484520]

約数ペア:

[(1, 28484520), (2, 14242260), (3, 9494840), (4, 7121130), (5, 5696904), (6, 4747420), (8, 3560565), (10, 2848452), (12, 2373710), (15, 1898968), (17, 1675560), (20, 1424226), (24, 1186855), (30, 949484), (34, 837780), (40, 712113), (51, 558520), (60, 474742), (68, 418890), (85, 335112), (102, 279260), (120, 237371), (136, 209445), (170, 167556), (204, 139630), (255, 111704), (340, 83778), (408, 69815), (510, 55852), (680, 41889), (1020, 27926), (2040, 13963)]