210538320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:969

約数の個数: 160

約数和(自身を含む): 697669632

約数和(自身を除く): 487131312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 43, 46, 48, 60, 69, 80, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 240, 258, 276, 344, 345, 368, 430, 460, 516, 552, 645, 688, 690, 860, 887, 920, 989, 1032, 1104, 1290, 1380, 1720, 1774, 1840, 1978, 2064, 2580, 2661, 2760, 2967, 3440, 3548, 3956, 4435, 4945, 5160, 5322, 5520, 5934, 7096, 7912, 8870, 9890, 10320, 10644, 11868, 13305, 14192, 14835, 15824, 17740, 19780, 20401, 21288, 23736, 26610, 29670, 35480, 38141, 39560, 40802, 42576, 47472, 53220, 59340, 61203, 70960, 76282, 79120, 81604, 102005, 106440, 114423, 118680, 122406, 152564, 163208, 190705, 204010, 212880, 228846, 237360, 244812, 305128, 306015, 326416, 381410, 408020, 457692, 489624, 572115, 610256, 612030, 762820, 816040, 877243, 915384, 979248, 1144230, 1224060, 1525640, 1632080, 1754486, 1830768, 2288460, 2448120, 2631729, 3051280, 3508972, 4386215, 4576920, 4896240, 5263458, 7017944, 8772430, 9153840, 10526916, 13158645, 14035888, 17544860, 21053832, 26317290, 35089720, 42107664, 52634580, 70179440, 105269160, 210538320]

約数ペア:

[(1, 210538320), (2, 105269160), (3, 70179440), (4, 52634580), (5, 42107664), (6, 35089720), (8, 26317290), (10, 21053832), (12, 17544860), (15, 14035888), (16, 13158645), (20, 10526916), (23, 9153840), (24, 8772430), (30, 7017944), (40, 5263458), (43, 4896240), (46, 4576920), (48, 4386215), (60, 3508972), (69, 3051280), (80, 2631729), (86, 2448120), (92, 2288460), (115, 1830768), (120, 1754486), (129, 1632080), (138, 1525640), (172, 1224060), (184, 1144230), (215, 979248), (230, 915384), (240, 877243), (258, 816040), (276, 762820), (344, 612030), (345, 610256), (368, 572115), (430, 489624), (460, 457692), (516, 408020), (552, 381410), (645, 326416), (688, 306015), (690, 305128), (860, 244812), (887, 237360), (920, 228846), (989, 212880), (1032, 204010), (1104, 190705), (1290, 163208), (1380, 152564), (1720, 122406), (1774, 118680), (1840, 114423), (1978, 106440), (2064, 102005), (2580, 81604), (2661, 79120), (2760, 76282), (2967, 70960), (3440, 61203), (3548, 59340), (3956, 53220), (4435, 47472), (4945, 42576), (5160, 40802), (5322, 39560), (5520, 38141), (5934, 35480), (7096, 29670), (7912, 26610), (8870, 23736), (9890, 21288), (10320, 20401), (10644, 19780), (11868, 17740), (13305, 15824), (14192, 14835)]