81126720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1697

約数の個数: 168

約数和(自身を含む): 295634664

約数和(自身を除く): 214507944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1360, 1440, 1530, 1632, 1657, 2040, 2448, 2720, 2880, 3060, 3264, 3314, 4080, 4896, 4971, 5440, 6120, 6628, 8160, 8285, 9792, 9942, 12240, 13256, 14913, 16320, 16570, 19884, 24480, 24855, 26512, 28169, 29826, 33140, 39768, 48960, 49710, 53024, 56338, 59652, 66280, 74565, 79536, 84507, 99420, 106048, 112676, 119304, 132560, 140845, 149130, 159072, 169014, 198840, 225352, 238608, 253521, 265120, 281690, 298260, 318144, 338028, 397680, 422535, 450704, 477216, 507042, 530240, 563380, 596520, 676056, 795360, 845070, 901408, 954432, 1014084, 1126760, 1193040, 1267605, 1352112, 1590720, 1690140, 1802816, 2028168, 2253520, 2386080, 2535210, 2704224, 3380280, 4056336, 4507040, 4772160, 5070420, 5408448, 6760560, 8112672, 9014080, 10140840, 13521120, 16225344, 20281680, 27042240, 40563360, 81126720]

約数ペア:

[(1, 81126720), (2, 40563360), (3, 27042240), (4, 20281680), (5, 16225344), (6, 13521120), (8, 10140840), (9, 9014080), (10, 8112672), (12, 6760560), (15, 5408448), (16, 5070420), (17, 4772160), (18, 4507040), (20, 4056336), (24, 3380280), (30, 2704224), (32, 2535210), (34, 2386080), (36, 2253520), (40, 2028168), (45, 1802816), (48, 1690140), (51, 1590720), (60, 1352112), (64, 1267605), (68, 1193040), (72, 1126760), (80, 1014084), (85, 954432), (90, 901408), (96, 845070), (102, 795360), (120, 676056), (136, 596520), (144, 563380), (153, 530240), (160, 507042), (170, 477216), (180, 450704), (192, 422535), (204, 397680), (240, 338028), (255, 318144), (272, 298260), (288, 281690), (306, 265120), (320, 253521), (340, 238608), (360, 225352), (408, 198840), (480, 169014), (510, 159072), (544, 149130), (576, 140845), (612, 132560), (680, 119304), (720, 112676), (765, 106048), (816, 99420), (960, 84507), (1020, 79536), (1088, 74565), (1224, 66280), (1360, 59652), (1440, 56338), (1530, 53024), (1632, 49710), (1657, 48960), (2040, 39768), (2448, 33140), (2720, 29826), (2880, 28169), (3060, 26512), (3264, 24855), (3314, 24480), (4080, 19884), (4896, 16570), (4971, 16320), (5440, 14913), (6120, 13256), (6628, 12240), (8160, 9942), (8285, 9792)]