313643120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 916012800

約数和(自身を除く): 602369680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 49, 56, 58, 62, 70, 80, 89, 98, 112, 116, 124, 140, 145, 155, 178, 196, 203, 217, 232, 245, 248, 280, 290, 310, 356, 392, 406, 434, 445, 464, 490, 496, 560, 580, 620, 623, 712, 784, 812, 868, 890, 899, 980, 1015, 1085, 1160, 1240, 1246, 1421, 1424, 1519, 1624, 1736, 1780, 1798, 1960, 2030, 2170, 2320, 2480, 2492, 2581, 2759, 2842, 3038, 3115, 3248, 3472, 3560, 3596, 3920, 4060, 4340, 4361, 4495, 4984, 5162, 5518, 5684, 6076, 6230, 6293, 7105, 7120, 7192, 7595, 8120, 8680, 8722, 8990, 9968, 10324, 11036, 11368, 12152, 12460, 12586, 12905, 13795, 14210, 14384, 15190, 16240, 17360, 17444, 17980, 18067, 19313, 20648, 21805, 22072, 22736, 24304, 24920, 25172, 25810, 27590, 28420, 30380, 31465, 34888, 35960, 36134, 38626, 41296, 43610, 44051, 44144, 49840, 50344, 51620, 55180, 56840, 60760, 62930, 69776, 71920, 72268, 77252, 80011, 87220, 88102, 90335, 96565, 100688, 103240, 110360, 113680, 121520, 125860, 126469, 135191, 144536, 154504, 160022, 174440, 176204, 180670, 193130, 206480, 220255, 220720, 251720, 252938, 270382, 289072, 309008, 320044, 348880, 352408, 361340, 386260, 400055, 440510, 503440, 505876, 540764, 560077, 632345, 640088, 675955, 704816, 722680, 772520, 800110, 881020, 1011752, 1081528, 1120154, 1264690, 1280176, 1351910, 1445360, 1545040, 1600220, 1762040, 2023504, 2163056, 2240308, 2529380, 2703820, 2800385, 3200440, 3524080, 3920539, 4480616, 5058760, 5407640, 5600770, 6400880, 7841078, 8961232, 10117520, 10815280, 11201540, 15682156, 19602695, 22403080, 31364312, 39205390, 44806160, 62728624, 78410780, 156821560, 313643120]

約数ペア:

[(1, 313643120), (2, 156821560), (4, 78410780), (5, 62728624), (7, 44806160), (8, 39205390), (10, 31364312), (14, 22403080), (16, 19602695), (20, 15682156), (28, 11201540), (29, 10815280), (31, 10117520), (35, 8961232), (40, 7841078), (49, 6400880), (56, 5600770), (58, 5407640), (62, 5058760), (70, 4480616), (80, 3920539), (89, 3524080), (98, 3200440), (112, 2800385), (116, 2703820), (124, 2529380), (140, 2240308), (145, 2163056), (155, 2023504), (178, 1762040), (196, 1600220), (203, 1545040), (217, 1445360), (232, 1351910), (245, 1280176), (248, 1264690), (280, 1120154), (290, 1081528), (310, 1011752), (356, 881020), (392, 800110), (406, 772520), (434, 722680), (445, 704816), (464, 675955), (490, 640088), (496, 632345), (560, 560077), (580, 540764), (620, 505876), (623, 503440), (712, 440510), (784, 400055), (812, 386260), (868, 361340), (890, 352408), (899, 348880), (980, 320044), (1015, 309008), (1085, 289072), (1160, 270382), (1240, 252938), (1246, 251720), (1421, 220720), (1424, 220255), (1519, 206480), (1624, 193130), (1736, 180670), (1780, 176204), (1798, 174440), (1960, 160022), (2030, 154504), (2170, 144536), (2320, 135191), (2480, 126469), (2492, 125860), (2581, 121520), (2759, 113680), (2842, 110360), (3038, 103240), (3115, 100688), (3248, 96565), (3472, 90335), (3560, 88102), (3596, 87220), (3920, 80011), (4060, 77252), (4340, 72268), (4361, 71920), (4495, 69776), (4984, 62930), (5162, 60760), (5518, 56840), (5684, 55180), (6076, 51620), (6230, 50344), (6293, 49840), (7105, 44144), (7120, 44051), (7192, 43610), (7595, 41296), (8120, 38626), (8680, 36134), (8722, 35960), (8990, 34888), (9968, 31465), (10324, 30380), (11036, 28420), (11368, 27590), (12152, 25810), (12460, 25172), (12586, 24920), (12905, 24304), (13795, 22736), (14210, 22072), (14384, 21805), (15190, 20648), (16240, 19313), (17360, 18067), (17444, 17980)]