80033220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 254702448

約数和(自身を除く): 174669228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 61, 74, 90, 111, 122, 148, 180, 183, 185, 197, 222, 244, 305, 333, 366, 370, 394, 444, 549, 555, 591, 610, 666, 732, 740, 788, 915, 985, 1098, 1110, 1182, 1220, 1332, 1665, 1773, 1830, 1970, 2196, 2220, 2257, 2364, 2745, 2955, 3330, 3546, 3660, 3940, 4514, 5490, 5910, 6660, 6771, 7092, 7289, 8865, 9028, 10980, 11285, 11820, 12017, 13542, 14578, 17730, 20313, 21867, 22570, 24034, 27084, 29156, 33855, 35460, 36051, 36445, 40626, 43734, 45140, 48068, 60085, 65601, 67710, 72102, 72890, 81252, 87468, 101565, 108153, 109335, 120170, 131202, 135420, 144204, 145780, 180255, 203130, 216306, 218670, 240340, 262404, 328005, 360510, 406260, 432612, 437340, 444629, 540765, 656010, 721020, 889258, 1081530, 1312020, 1333887, 1778516, 2163060, 2223145, 2667774, 4001661, 4446290, 5335548, 6669435, 8003322, 8892580, 13338870, 16006644, 20008305, 26677740, 40016610, 80033220]

約数ペア:

[(1, 80033220), (2, 40016610), (3, 26677740), (4, 20008305), (5, 16006644), (6, 13338870), (9, 8892580), (10, 8003322), (12, 6669435), (15, 5335548), (18, 4446290), (20, 4001661), (30, 2667774), (36, 2223145), (37, 2163060), (45, 1778516), (60, 1333887), (61, 1312020), (74, 1081530), (90, 889258), (111, 721020), (122, 656010), (148, 540765), (180, 444629), (183, 437340), (185, 432612), (197, 406260), (222, 360510), (244, 328005), (305, 262404), (333, 240340), (366, 218670), (370, 216306), (394, 203130), (444, 180255), (549, 145780), (555, 144204), (591, 135420), (610, 131202), (666, 120170), (732, 109335), (740, 108153), (788, 101565), (915, 87468), (985, 81252), (1098, 72890), (1110, 72102), (1182, 67710), (1220, 65601), (1332, 60085), (1665, 48068), (1773, 45140), (1830, 43734), (1970, 40626), (2196, 36445), (2220, 36051), (2257, 35460), (2364, 33855), (2745, 29156), (2955, 27084), (3330, 24034), (3546, 22570), (3660, 21867), (3940, 20313), (4514, 17730), (5490, 14578), (5910, 13542), (6660, 12017), (6771, 11820), (7092, 11285), (7289, 10980), (8865, 9028)]