79780680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 310694400

約数和(自身を除く): 230913720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 61, 63, 70, 72, 84, 90, 105, 108, 120, 122, 126, 135, 140, 168, 173, 180, 183, 189, 210, 216, 244, 252, 270, 280, 305, 315, 346, 360, 366, 378, 420, 427, 488, 504, 519, 540, 549, 610, 630, 692, 732, 756, 840, 854, 865, 915, 945, 1038, 1080, 1098, 1211, 1220, 1260, 1281, 1384, 1464, 1512, 1557, 1647, 1708, 1730, 1830, 1890, 2076, 2135, 2196, 2422, 2440, 2520, 2562, 2595, 2745, 3114, 3294, 3416, 3460, 3633, 3660, 3780, 3843, 4152, 4270, 4392, 4671, 4844, 5124, 5190, 5490, 6055, 6228, 6405, 6588, 6920, 7266, 7320, 7560, 7686, 7785, 8235, 8540, 9342, 9688, 10248, 10380, 10553, 10899, 10980, 11529, 12110, 12456, 12810, 13176, 14532, 15372, 15570, 16470, 17080, 18165, 18684, 19215, 20760, 21106, 21798, 21960, 23058, 23355, 24220, 25620, 29064, 30744, 31140, 31659, 32697, 32940, 36330, 37368, 38430, 42212, 43596, 46116, 46710, 48440, 51240, 52765, 54495, 57645, 62280, 63318, 65394, 65880, 72660, 73871, 76860, 84424, 87192, 92232, 93420, 94977, 105530, 108990, 115290, 126636, 130788, 145320, 147742, 153720, 158295, 163485, 186840, 189954, 211060, 217980, 221613, 230580, 253272, 261576, 284931, 295484, 316590, 326970, 369355, 379908, 422120, 435960, 443226, 461160, 474885, 569862, 590968, 633180, 653940, 664839, 738710, 759816, 886452, 949770, 1108065, 1139724, 1266360, 1307880, 1329678, 1424655, 1477420, 1772904, 1899540, 1994517, 2216130, 2279448, 2659356, 2849310, 2954840, 3324195, 3799080, 3989034, 4432260, 5318712, 5698620, 6648390, 7978068, 8864520, 9972585, 11397240, 13296780, 15956136, 19945170, 26593560, 39890340, 79780680]

約数ペア:

[(1, 79780680), (2, 39890340), (3, 26593560), (4, 19945170), (5, 15956136), (6, 13296780), (7, 11397240), (8, 9972585), (9, 8864520), (10, 7978068), (12, 6648390), (14, 5698620), (15, 5318712), (18, 4432260), (20, 3989034), (21, 3799080), (24, 3324195), (27, 2954840), (28, 2849310), (30, 2659356), (35, 2279448), (36, 2216130), (40, 1994517), (42, 1899540), (45, 1772904), (54, 1477420), (56, 1424655), (60, 1329678), (61, 1307880), (63, 1266360), (70, 1139724), (72, 1108065), (84, 949770), (90, 886452), (105, 759816), (108, 738710), (120, 664839), (122, 653940), (126, 633180), (135, 590968), (140, 569862), (168, 474885), (173, 461160), (180, 443226), (183, 435960), (189, 422120), (210, 379908), (216, 369355), (244, 326970), (252, 316590), (270, 295484), (280, 284931), (305, 261576), (315, 253272), (346, 230580), (360, 221613), (366, 217980), (378, 211060), (420, 189954), (427, 186840), (488, 163485), (504, 158295), (519, 153720), (540, 147742), (549, 145320), (610, 130788), (630, 126636), (692, 115290), (732, 108990), (756, 105530), (840, 94977), (854, 93420), (865, 92232), (915, 87192), (945, 84424), (1038, 76860), (1080, 73871), (1098, 72660), (1211, 65880), (1220, 65394), (1260, 63318), (1281, 62280), (1384, 57645), (1464, 54495), (1512, 52765), (1557, 51240), (1647, 48440), (1708, 46710), (1730, 46116), (1830, 43596), (1890, 42212), (2076, 38430), (2135, 37368), (2196, 36330), (2422, 32940), (2440, 32697), (2520, 31659), (2562, 31140), (2595, 30744), (2745, 29064), (3114, 25620), (3294, 24220), (3416, 23355), (3460, 23058), (3633, 21960), (3660, 21798), (3780, 21106), (3843, 20760), (4152, 19215), (4270, 18684), (4392, 18165), (4671, 17080), (4844, 16470), (5124, 15570), (5190, 15372), (5490, 14532), (6055, 13176), (6228, 12810), (6405, 12456), (6588, 12110), (6920, 11529), (7266, 10980), (7320, 10899), (7560, 10553), (7686, 10380), (7785, 10248), (8235, 9688), (8540, 9342)]