639454320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:712

約数の個数: 240

約数和(自身を含む): 2303290080

約数和(自身を除く): 1663835760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 89, 90, 102, 120, 136, 144, 153, 170, 178, 180, 204, 240, 255, 267, 272, 306, 340, 356, 360, 408, 445, 510, 534, 587, 612, 680, 712, 720, 765, 801, 816, 890, 1020, 1068, 1174, 1224, 1335, 1360, 1424, 1513, 1530, 1602, 1761, 1780, 2040, 2136, 2348, 2448, 2670, 2935, 3026, 3060, 3204, 3522, 3560, 4005, 4080, 4272, 4539, 4696, 5283, 5340, 5870, 6052, 6120, 6408, 7044, 7120, 7565, 8010, 8805, 9078, 9392, 9979, 10566, 10680, 11740, 12104, 12240, 12816, 13617, 14088, 15130, 16020, 17610, 18156, 19958, 21132, 21360, 22695, 23480, 24208, 26415, 27234, 28176, 29937, 30260, 32040, 35220, 36312, 39916, 42264, 45390, 46960, 49895, 52243, 52830, 54468, 59874, 60520, 64080, 68085, 70440, 72624, 79832, 84528, 89811, 90780, 99790, 104486, 105660, 108936, 119748, 121040, 136170, 140880, 149685, 156729, 159664, 179622, 181560, 199580, 208972, 211320, 217872, 239496, 261215, 272340, 299370, 313458, 359244, 363120, 399160, 417944, 422640, 449055, 470187, 478992, 522430, 544680, 598740, 626916, 718488, 783645, 798320, 835888, 888131, 898110, 940374, 1044860, 1089360, 1197480, 1253832, 1436976, 1567290, 1776262, 1796220, 1880748, 2089720, 2350935, 2394960, 2507664, 2664393, 3134580, 3552524, 3592440, 3761496, 4179440, 4440655, 4701870, 5328786, 6269160, 7105048, 7184880, 7522992, 7993179, 8881310, 9403740, 10657572, 12538320, 13321965, 14210096, 15986358, 17762620, 18807480, 21315144, 26643930, 31972716, 35525240, 37614960, 39965895, 42630288, 53287860, 63945432, 71050480, 79931790, 106575720, 127890864, 159863580, 213151440, 319727160, 639454320]

約数ペア:

[(1, 639454320), (2, 319727160), (3, 213151440), (4, 159863580), (5, 127890864), (6, 106575720), (8, 79931790), (9, 71050480), (10, 63945432), (12, 53287860), (15, 42630288), (16, 39965895), (17, 37614960), (18, 35525240), (20, 31972716), (24, 26643930), (30, 21315144), (34, 18807480), (36, 17762620), (40, 15986358), (45, 14210096), (48, 13321965), (51, 12538320), (60, 10657572), (68, 9403740), (72, 8881310), (80, 7993179), (85, 7522992), (89, 7184880), (90, 7105048), (102, 6269160), (120, 5328786), (136, 4701870), (144, 4440655), (153, 4179440), (170, 3761496), (178, 3592440), (180, 3552524), (204, 3134580), (240, 2664393), (255, 2507664), (267, 2394960), (272, 2350935), (306, 2089720), (340, 1880748), (356, 1796220), (360, 1776262), (408, 1567290), (445, 1436976), (510, 1253832), (534, 1197480), (587, 1089360), (612, 1044860), (680, 940374), (712, 898110), (720, 888131), (765, 835888), (801, 798320), (816, 783645), (890, 718488), (1020, 626916), (1068, 598740), (1174, 544680), (1224, 522430), (1335, 478992), (1360, 470187), (1424, 449055), (1513, 422640), (1530, 417944), (1602, 399160), (1761, 363120), (1780, 359244), (2040, 313458), (2136, 299370), (2348, 272340), (2448, 261215), (2670, 239496), (2935, 217872), (3026, 211320), (3060, 208972), (3204, 199580), (3522, 181560), (3560, 179622), (4005, 159664), (4080, 156729), (4272, 149685), (4539, 140880), (4696, 136170), (5283, 121040), (5340, 119748), (5870, 108936), (6052, 105660), (6120, 104486), (6408, 99790), (7044, 90780), (7120, 89811), (7565, 84528), (8010, 79832), (8805, 72624), (9078, 70440), (9392, 68085), (9979, 64080), (10566, 60520), (10680, 59874), (11740, 54468), (12104, 52830), (12240, 52243), (12816, 49895), (13617, 46960), (14088, 45390), (15130, 42264), (16020, 39916), (17610, 36312), (18156, 35220), (19958, 32040), (21132, 30260), (21360, 29937), (22695, 28176), (23480, 27234), (24208, 26415)]