313121520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 240

約数和(自身を含む): 1132784640

約数和(自身を除く): 819663120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 47, 48, 57, 60, 72, 76, 80, 90, 94, 95, 114, 120, 141, 144, 152, 171, 180, 188, 190, 228, 235, 240, 282, 285, 304, 342, 360, 376, 380, 423, 456, 470, 487, 564, 570, 684, 705, 720, 752, 760, 846, 855, 893, 912, 940, 974, 1128, 1140, 1368, 1410, 1461, 1520, 1692, 1710, 1786, 1880, 1948, 2115, 2256, 2280, 2435, 2679, 2736, 2820, 2922, 3384, 3420, 3572, 3760, 3896, 4230, 4383, 4465, 4560, 4870, 5358, 5640, 5844, 6768, 6840, 7144, 7305, 7792, 8037, 8460, 8766, 8930, 9253, 9740, 10716, 11280, 11688, 13395, 13680, 14288, 14610, 16074, 16920, 17532, 17860, 18506, 19480, 21432, 21915, 22889, 23376, 26790, 27759, 29220, 32148, 33840, 35064, 35720, 37012, 38960, 40185, 42864, 43830, 45778, 46265, 53580, 55518, 58440, 64296, 68667, 70128, 71440, 74024, 80370, 83277, 87660, 91556, 92530, 107160, 111036, 114445, 116880, 128592, 137334, 138795, 148048, 160740, 166554, 175320, 183112, 185060, 206001, 214320, 222072, 228890, 274668, 277590, 321480, 333108, 343335, 350640, 366224, 370120, 412002, 416385, 434891, 444144, 457780, 549336, 555180, 642960, 666216, 686670, 740240, 824004, 832770, 869782, 915560, 1030005, 1098672, 1110360, 1304673, 1332432, 1373340, 1648008, 1665540, 1739564, 1831120, 2060010, 2174455, 2220720, 2609346, 2746680, 3296016, 3331080, 3479128, 3914019, 4120020, 4348910, 5218692, 5493360, 6523365, 6662160, 6958256, 7828038, 8240040, 8697820, 10437384, 13046730, 15656076, 16480080, 17395640, 19570095, 20874768, 26093460, 31312152, 34791280, 39140190, 52186920, 62624304, 78280380, 104373840, 156560760, 313121520]

約数ペア:

[(1, 313121520), (2, 156560760), (3, 104373840), (4, 78280380), (5, 62624304), (6, 52186920), (8, 39140190), (9, 34791280), (10, 31312152), (12, 26093460), (15, 20874768), (16, 19570095), (18, 17395640), (19, 16480080), (20, 15656076), (24, 13046730), (30, 10437384), (36, 8697820), (38, 8240040), (40, 7828038), (45, 6958256), (47, 6662160), (48, 6523365), (57, 5493360), (60, 5218692), (72, 4348910), (76, 4120020), (80, 3914019), (90, 3479128), (94, 3331080), (95, 3296016), (114, 2746680), (120, 2609346), (141, 2220720), (144, 2174455), (152, 2060010), (171, 1831120), (180, 1739564), (188, 1665540), (190, 1648008), (228, 1373340), (235, 1332432), (240, 1304673), (282, 1110360), (285, 1098672), (304, 1030005), (342, 915560), (360, 869782), (376, 832770), (380, 824004), (423, 740240), (456, 686670), (470, 666216), (487, 642960), (564, 555180), (570, 549336), (684, 457780), (705, 444144), (720, 434891), (752, 416385), (760, 412002), (846, 370120), (855, 366224), (893, 350640), (912, 343335), (940, 333108), (974, 321480), (1128, 277590), (1140, 274668), (1368, 228890), (1410, 222072), (1461, 214320), (1520, 206001), (1692, 185060), (1710, 183112), (1786, 175320), (1880, 166554), (1948, 160740), (2115, 148048), (2256, 138795), (2280, 137334), (2435, 128592), (2679, 116880), (2736, 114445), (2820, 111036), (2922, 107160), (3384, 92530), (3420, 91556), (3572, 87660), (3760, 83277), (3896, 80370), (4230, 74024), (4383, 71440), (4465, 70128), (4560, 68667), (4870, 64296), (5358, 58440), (5640, 55518), (5844, 53580), (6768, 46265), (6840, 45778), (7144, 43830), (7305, 42864), (7792, 40185), (8037, 38960), (8460, 37012), (8766, 35720), (8930, 35064), (9253, 33840), (9740, 32148), (10716, 29220), (11280, 27759), (11688, 26790), (13395, 23376), (13680, 22889), (14288, 21915), (14610, 21432), (16074, 19480), (16920, 18506), (17532, 17860)]