129168720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 240

約数和(自身を含む): 469536912

約数和(自身を除く): 340368192

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, 61, 68, 72, 80, 85, 90, 102, 120, 122, 136, 144, 153, 170, 173, 180, 183, 204, 240, 244, 255, 272, 305, 306, 340, 346, 360, 366, 408, 488, 510, 519, 549, 610, 612, 680, 692, 720, 732, 765, 816, 865, 915, 976, 1020, 1037, 1038, 1098, 1220, 1224, 1360, 1384, 1464, 1530, 1557, 1730, 1830, 2040, 2074, 2076, 2196, 2440, 2448, 2595, 2745, 2768, 2928, 2941, 3060, 3111, 3114, 3460, 3660, 4080, 4148, 4152, 4392, 4880, 5185, 5190, 5490, 5882, 6120, 6222, 6228, 6920, 7320, 7785, 8296, 8304, 8784, 8823, 9333, 10370, 10380, 10553, 10980, 11764, 12240, 12444, 12456, 13840, 14640, 14705, 15555, 15570, 16592, 17646, 18666, 20740, 20760, 21106, 21960, 23528, 24888, 24912, 26469, 29410, 31110, 31140, 31659, 35292, 37332, 41480, 41520, 42212, 43920, 44115, 46665, 47056, 49776, 52765, 52938, 58820, 62220, 62280, 63318, 70584, 74664, 82960, 84424, 88230, 93330, 94977, 105530, 105876, 117640, 124440, 124560, 126636, 132345, 141168, 149328, 158295, 168848, 176460, 179401, 186660, 189954, 211060, 211752, 235280, 248880, 253272, 264690, 316590, 352920, 358802, 373320, 379908, 422120, 423504, 474885, 506544, 529380, 538203, 633180, 705840, 717604, 746640, 759816, 844240, 897005, 949770, 1058760, 1076406, 1266360, 1435208, 1519632, 1614609, 1794010, 1899540, 2117520, 2152812, 2532720, 2691015, 2870416, 3229218, 3588020, 3799080, 4305624, 5382030, 6458436, 7176040, 7598160, 8073045, 8611248, 10764060, 12916872, 14352080, 16146090, 21528120, 25833744, 32292180, 43056240, 64584360, 129168720]

約数ペア:

[(1, 129168720), (2, 64584360), (3, 43056240), (4, 32292180), (5, 25833744), (6, 21528120), (8, 16146090), (9, 14352080), (10, 12916872), (12, 10764060), (15, 8611248), (16, 8073045), (17, 7598160), (18, 7176040), (20, 6458436), (24, 5382030), (30, 4305624), (34, 3799080), (36, 3588020), (40, 3229218), (45, 2870416), (48, 2691015), (51, 2532720), (60, 2152812), (61, 2117520), (68, 1899540), (72, 1794010), (80, 1614609), (85, 1519632), (90, 1435208), (102, 1266360), (120, 1076406), (122, 1058760), (136, 949770), (144, 897005), (153, 844240), (170, 759816), (173, 746640), (180, 717604), (183, 705840), (204, 633180), (240, 538203), (244, 529380), (255, 506544), (272, 474885), (305, 423504), (306, 422120), (340, 379908), (346, 373320), (360, 358802), (366, 352920), (408, 316590), (488, 264690), (510, 253272), (519, 248880), (549, 235280), (610, 211752), (612, 211060), (680, 189954), (692, 186660), (720, 179401), (732, 176460), (765, 168848), (816, 158295), (865, 149328), (915, 141168), (976, 132345), (1020, 126636), (1037, 124560), (1038, 124440), (1098, 117640), (1220, 105876), (1224, 105530), (1360, 94977), (1384, 93330), (1464, 88230), (1530, 84424), (1557, 82960), (1730, 74664), (1830, 70584), (2040, 63318), (2074, 62280), (2076, 62220), (2196, 58820), (2440, 52938), (2448, 52765), (2595, 49776), (2745, 47056), (2768, 46665), (2928, 44115), (2941, 43920), (3060, 42212), (3111, 41520), (3114, 41480), (3460, 37332), (3660, 35292), (4080, 31659), (4148, 31140), (4152, 31110), (4392, 29410), (4880, 26469), (5185, 24912), (5190, 24888), (5490, 23528), (5882, 21960), (6120, 21106), (6222, 20760), (6228, 20740), (6920, 18666), (7320, 17646), (7785, 16592), (8296, 15570), (8304, 15555), (8784, 14705), (8823, 14640), (9333, 13840), (10370, 12456), (10380, 12444), (10553, 12240), (10980, 11764)]