16780320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 58810752

約数和(自身を除く): 42030432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 271, 288, 344, 360, 387, 430, 480, 516, 542, 645, 688, 720, 774, 813, 860, 1032, 1084, 1290, 1355, 1376, 1440, 1548, 1626, 1720, 1935, 2064, 2168, 2439, 2580, 2710, 3096, 3252, 3440, 3870, 4065, 4128, 4336, 4878, 5160, 5420, 6192, 6504, 6880, 7740, 8130, 8672, 9756, 10320, 10840, 11653, 12195, 12384, 13008, 15480, 16260, 19512, 20640, 21680, 23306, 24390, 26016, 30960, 32520, 34959, 39024, 43360, 46612, 48780, 58265, 61920, 65040, 69918, 78048, 93224, 97560, 104877, 116530, 130080, 139836, 174795, 186448, 195120, 209754, 233060, 279672, 349590, 372896, 390240, 419508, 466120, 524385, 559344, 699180, 839016, 932240, 1048770, 1118688, 1398360, 1678032, 1864480, 2097540, 2796720, 3356064, 4195080, 5593440, 8390160, 16780320]

約数ペア:

[(1, 16780320), (2, 8390160), (3, 5593440), (4, 4195080), (5, 3356064), (6, 2796720), (8, 2097540), (9, 1864480), (10, 1678032), (12, 1398360), (15, 1118688), (16, 1048770), (18, 932240), (20, 839016), (24, 699180), (30, 559344), (32, 524385), (36, 466120), (40, 419508), (43, 390240), (45, 372896), (48, 349590), (60, 279672), (72, 233060), (80, 209754), (86, 195120), (90, 186448), (96, 174795), (120, 139836), (129, 130080), (144, 116530), (160, 104877), (172, 97560), (180, 93224), (215, 78048), (240, 69918), (258, 65040), (271, 61920), (288, 58265), (344, 48780), (360, 46612), (387, 43360), (430, 39024), (480, 34959), (516, 32520), (542, 30960), (645, 26016), (688, 24390), (720, 23306), (774, 21680), (813, 20640), (860, 19512), (1032, 16260), (1084, 15480), (1290, 13008), (1355, 12384), (1376, 12195), (1440, 11653), (1548, 10840), (1626, 10320), (1720, 9756), (1935, 8672), (2064, 8130), (2168, 7740), (2439, 6880), (2580, 6504), (2710, 6192), (3096, 5420), (3252, 5160), (3440, 4878), (3870, 4336), (4065, 4128)]