123681120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:717

約数の個数: 192

約数和(自身を含む): 431101440

約数和(自身を除く): 307420320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 96, 102, 115, 120, 136, 138, 160, 170, 184, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 408, 460, 480, 510, 544, 552, 659, 680, 690, 736, 782, 816, 920, 1020, 1104, 1173, 1318, 1360, 1380, 1564, 1632, 1840, 1955, 1977, 2040, 2208, 2346, 2636, 2720, 2760, 3128, 3295, 3680, 3910, 3954, 4080, 4692, 5272, 5520, 5865, 6256, 6590, 7820, 7908, 8160, 9384, 9885, 10544, 11040, 11203, 11730, 12512, 13180, 15157, 15640, 15816, 18768, 19770, 21088, 22406, 23460, 26360, 30314, 31280, 31632, 33609, 37536, 39540, 44812, 45471, 46920, 52720, 56015, 60628, 62560, 63264, 67218, 75785, 79080, 89624, 90942, 93840, 105440, 112030, 121256, 134436, 151570, 158160, 168045, 179248, 181884, 187680, 224060, 227355, 242512, 257669, 268872, 303140, 316320, 336090, 358496, 363768, 448120, 454710, 485024, 515338, 537744, 606280, 672180, 727536, 773007, 896240, 909420, 1030676, 1075488, 1212560, 1288345, 1344360, 1455072, 1546014, 1792480, 1818840, 2061352, 2425120, 2576690, 2688720, 3092028, 3637680, 3865035, 4122704, 5153380, 5377440, 6184056, 7275360, 7730070, 8245408, 10306760, 12368112, 15460140, 20613520, 24736224, 30920280, 41227040, 61840560, 123681120]

約数ペア:

[(1, 123681120), (2, 61840560), (3, 41227040), (4, 30920280), (5, 24736224), (6, 20613520), (8, 15460140), (10, 12368112), (12, 10306760), (15, 8245408), (16, 7730070), (17, 7275360), (20, 6184056), (23, 5377440), (24, 5153380), (30, 4122704), (32, 3865035), (34, 3637680), (40, 3092028), (46, 2688720), (48, 2576690), (51, 2425120), (60, 2061352), (68, 1818840), (69, 1792480), (80, 1546014), (85, 1455072), (92, 1344360), (96, 1288345), (102, 1212560), (115, 1075488), (120, 1030676), (136, 909420), (138, 896240), (160, 773007), (170, 727536), (184, 672180), (204, 606280), (230, 537744), (240, 515338), (255, 485024), (272, 454710), (276, 448120), (340, 363768), (345, 358496), (368, 336090), (391, 316320), (408, 303140), (460, 268872), (480, 257669), (510, 242512), (544, 227355), (552, 224060), (659, 187680), (680, 181884), (690, 179248), (736, 168045), (782, 158160), (816, 151570), (920, 134436), (1020, 121256), (1104, 112030), (1173, 105440), (1318, 93840), (1360, 90942), (1380, 89624), (1564, 79080), (1632, 75785), (1840, 67218), (1955, 63264), (1977, 62560), (2040, 60628), (2208, 56015), (2346, 52720), (2636, 46920), (2720, 45471), (2760, 44812), (3128, 39540), (3295, 37536), (3680, 33609), (3910, 31632), (3954, 31280), (4080, 30314), (4692, 26360), (5272, 23460), (5520, 22406), (5865, 21088), (6256, 19770), (6590, 18768), (7820, 15816), (7908, 15640), (8160, 15157), (9384, 13180), (9885, 12512), (10544, 11730), (11040, 11203)]