128475120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31489}}^1$

素因数の和:31522

約数の個数: 80

約数和(自身を含む): 421714080

約数和(自身を除く): 293238960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 31489, 62978, 94467, 125956, 157445, 188934, 251912, 314890, 377868, 472335, 503824, 535313, 629780, 755736, 944670, 1070626, 1259560, 1511472, 1605939, 1889340, 2141252, 2519120, 2676565, 3211878, 3778680, 4282504, 5353130, 6423756, 7557360, 8029695, 8565008, 10706260, 12847512, 16059390, 21412520, 25695024, 32118780, 42825040, 64237560, 128475120]

約数ペア:

[(1, 128475120), (2, 64237560), (3, 42825040), (4, 32118780), (5, 25695024), (6, 21412520), (8, 16059390), (10, 12847512), (12, 10706260), (15, 8565008), (16, 8029695), (17, 7557360), (20, 6423756), (24, 5353130), (30, 4282504), (34, 3778680), (40, 3211878), (48, 2676565), (51, 2519120), (60, 2141252), (68, 1889340), (80, 1605939), (85, 1511472), (102, 1259560), (120, 1070626), (136, 944670), (170, 755736), (204, 629780), (240, 535313), (255, 503824), (272, 472335), (340, 377868), (408, 314890), (510, 251912), (680, 188934), (816, 157445), (1020, 125956), (1360, 94467), (2040, 62978), (4080, 31489)]