21477887280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{42433}}^1$

素因数の和:42508

約数の個数: 240

約数和(自身を含む): 77980113120

約数和(自身を除く): 56502225840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 48, 57, 60, 72, 74, 76, 80, 90, 95, 111, 114, 120, 144, 148, 152, 171, 180, 185, 190, 222, 228, 240, 285, 296, 304, 333, 342, 360, 370, 380, 444, 456, 555, 570, 592, 666, 684, 703, 720, 740, 760, 855, 888, 912, 1110, 1140, 1332, 1368, 1406, 1480, 1520, 1665, 1710, 1776, 2109, 2220, 2280, 2664, 2736, 2812, 2960, 3330, 3420, 3515, 4218, 4440, 4560, 5328, 5624, 6327, 6660, 6840, 7030, 8436, 8880, 10545, 11248, 12654, 13320, 13680, 14060, 16872, 21090, 25308, 26640, 28120, 31635, 33744, 42180, 42433, 50616, 56240, 63270, 84360, 84866, 101232, 126540, 127299, 168720, 169732, 212165, 253080, 254598, 339464, 381897, 424330, 506160, 509196, 636495, 678928, 763794, 806227, 848660, 1018392, 1272990, 1527588, 1570021, 1612454, 1697320, 1909485, 2036784, 2418681, 2545980, 3055176, 3140042, 3224908, 3394640, 3818970, 4031135, 4710063, 4837362, 5091960, 6110352, 6280084, 6449816, 7256043, 7637940, 7850105, 8062270, 9420126, 9674724, 10183920, 12093405, 12560168, 12899632, 14130189, 14512086, 15275880, 15700210, 16124540, 18840252, 19349448, 23550315, 24186810, 25120336, 28260378, 29024172, 29830399, 30551760, 31400420, 32249080, 36280215, 37680504, 38698896, 47100630, 48373620, 56520756, 58048344, 59660798, 62800840, 64498160, 70650945, 72560430, 75361008, 89491197, 94201260, 96747240, 113041512, 116096688, 119321596, 125601680, 141301890, 145120860, 149151995, 178982394, 188402520, 193494480, 226083024, 238643192, 268473591, 282603780, 290241720, 298303990, 357964788, 376805040, 447455985, 477286384, 536947182, 565207560, 580483440, 596607980, 715929576, 894911970, 1073894364, 1130415120, 1193215960, 1342367955, 1431859152, 1789823940, 2147788728, 2386431920, 2684735910, 3579647880, 4295577456, 5369471820, 7159295760, 10738943640, 21477887280]

約数ペア:

[(1, 21477887280), (2, 10738943640), (3, 7159295760), (4, 5369471820), (5, 4295577456), (6, 3579647880), (8, 2684735910), (9, 2386431920), (10, 2147788728), (12, 1789823940), (15, 1431859152), (16, 1342367955), (18, 1193215960), (19, 1130415120), (20, 1073894364), (24, 894911970), (30, 715929576), (36, 596607980), (37, 580483440), (38, 565207560), (40, 536947182), (45, 477286384), (48, 447455985), (57, 376805040), (60, 357964788), (72, 298303990), (74, 290241720), (76, 282603780), (80, 268473591), (90, 238643192), (95, 226083024), (111, 193494480), (114, 188402520), (120, 178982394), (144, 149151995), (148, 145120860), (152, 141301890), (171, 125601680), (180, 119321596), (185, 116096688), (190, 113041512), (222, 96747240), (228, 94201260), (240, 89491197), (285, 75361008), (296, 72560430), (304, 70650945), (333, 64498160), (342, 62800840), (360, 59660798), (370, 58048344), (380, 56520756), (444, 48373620), (456, 47100630), (555, 38698896), (570, 37680504), (592, 36280215), (666, 32249080), (684, 31400420), (703, 30551760), (720, 29830399), (740, 29024172), (760, 28260378), (855, 25120336), (888, 24186810), (912, 23550315), (1110, 19349448), (1140, 18840252), (1332, 16124540), (1368, 15700210), (1406, 15275880), (1480, 14512086), (1520, 14130189), (1665, 12899632), (1710, 12560168), (1776, 12093405), (2109, 10183920), (2220, 9674724), (2280, 9420126), (2664, 8062270), (2736, 7850105), (2812, 7637940), (2960, 7256043), (3330, 6449816), (3420, 6280084), (3515, 6110352), (4218, 5091960), (4440, 4837362), (4560, 4710063), (5328, 4031135), (5624, 3818970), (6327, 3394640), (6660, 3224908), (6840, 3140042), (7030, 3055176), (8436, 2545980), (8880, 2418681), (10545, 2036784), (11248, 1909485), (12654, 1697320), (13320, 1612454), (13680, 1570021), (14060, 1527588), (16872, 1272990), (21090, 1018392), (25308, 848660), (26640, 806227), (28120, 763794), (31635, 678928), (33744, 636495), (42180, 509196), (42433, 506160), (50616, 424330), (56240, 381897), (63270, 339464), (84360, 254598), (84866, 253080), (101232, 212165), (126540, 169732), (127299, 168720)]