217361520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15889}}^1$

素因数の和:15927

約数の個数: 120

約数和(自身を含む): 768440400

約数和(自身を除く): 551078880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 15889, 31778, 47667, 63556, 79445, 95334, 127112, 143001, 158890, 190668, 238335, 254224, 286002, 301891, 317780, 381336, 476670, 572004, 603782, 635560, 715005, 762672, 905673, 953340, 1144008, 1207564, 1271120, 1430010, 1509455, 1811346, 1906680, 2288016, 2415128, 2717019, 2860020, 3018910, 3622692, 3813360, 4528365, 4830256, 5434038, 5720040, 6037820, 7245384, 9056730, 10868076, 11440080, 12075640, 13585095, 14490768, 18113460, 21736152, 24151280, 27170190, 36226920, 43472304, 54340380, 72453840, 108680760, 217361520]

約数ペア:

[(1, 217361520), (2, 108680760), (3, 72453840), (4, 54340380), (5, 43472304), (6, 36226920), (8, 27170190), (9, 24151280), (10, 21736152), (12, 18113460), (15, 14490768), (16, 13585095), (18, 12075640), (19, 11440080), (20, 10868076), (24, 9056730), (30, 7245384), (36, 6037820), (38, 5720040), (40, 5434038), (45, 4830256), (48, 4528365), (57, 3813360), (60, 3622692), (72, 3018910), (76, 2860020), (80, 2717019), (90, 2415128), (95, 2288016), (114, 1906680), (120, 1811346), (144, 1509455), (152, 1430010), (171, 1271120), (180, 1207564), (190, 1144008), (228, 953340), (240, 905673), (285, 762672), (304, 715005), (342, 635560), (360, 603782), (380, 572004), (456, 476670), (570, 381336), (684, 317780), (720, 301891), (760, 286002), (855, 254224), (912, 238335), (1140, 190668), (1368, 158890), (1520, 143001), (1710, 127112), (2280, 95334), (2736, 79445), (3420, 63556), (4560, 47667), (6840, 31778), (13680, 15889)]