20117961240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:738

約数の個数: 256

約数和(自身を含む): 65840947200

約数和(自身を除く): 45722985960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 191, 195, 251, 260, 269, 312, 382, 390, 502, 520, 538, 573, 753, 764, 780, 807, 955, 1004, 1076, 1146, 1255, 1345, 1506, 1528, 1560, 1614, 1910, 2008, 2152, 2292, 2483, 2510, 2690, 2865, 3012, 3228, 3263, 3497, 3765, 3820, 4035, 4584, 4966, 5020, 5380, 5730, 6024, 6456, 6526, 6994, 7449, 7530, 7640, 8070, 9789, 9932, 10040, 10491, 10760, 11460, 12415, 13052, 13988, 14898, 15060, 16140, 16315, 17485, 19578, 19864, 20982, 22920, 24830, 26104, 27976, 29796, 30120, 32280, 32630, 34970, 37245, 39156, 41964, 47941, 48945, 49660, 51379, 52455, 59592, 65260, 67519, 69940, 74490, 78312, 83928, 95882, 97890, 99320, 102758, 104910, 130520, 135038, 139880, 143823, 148980, 154137, 191764, 195780, 202557, 205516, 209820, 239705, 256895, 270076, 287646, 297960, 308274, 337595, 383528, 391560, 405114, 411032, 419640, 479410, 513790, 540152, 575292, 616548, 623233, 667927, 675190, 719115, 770685, 810228, 877747, 958820, 1012785, 1027580, 1150584, 1233096, 1246466, 1335854, 1350380, 1438230, 1541370, 1620456, 1755494, 1869699, 1917640, 2003781, 2025570, 2055160, 2492932, 2633241, 2671708, 2700760, 2876460, 3082740, 3116165, 3339635, 3510988, 3739398, 4007562, 4051140, 4388735, 4985864, 5266482, 5343416, 5752920, 6165480, 6232330, 6679270, 7021976, 7478796, 8015124, 8102280, 8777470, 9348495, 10018905, 10532964, 12464660, 12896129, 13166205, 13358540, 14957592, 16030248, 17554940, 18696990, 20037810, 21065928, 24929320, 25792258, 26332410, 26717080, 35109880, 37393980, 38688387, 40075620, 51584516, 52664820, 64480645, 74787960, 77376774, 80151240, 103169032, 105329640, 128961290, 154753548, 167649677, 193441935, 257922580, 309507096, 335299354, 386883870, 502949031, 515845160, 670598708, 773767740, 838248385, 1005898062, 1341197416, 1547535480, 1676496770, 2011796124, 2514745155, 3352993540, 4023592248, 5029490310, 6705987080, 10058980620, 20117961240]

約数ペア:

[(1, 20117961240), (2, 10058980620), (3, 6705987080), (4, 5029490310), (5, 4023592248), (6, 3352993540), (8, 2514745155), (10, 2011796124), (12, 1676496770), (13, 1547535480), (15, 1341197416), (20, 1005898062), (24, 838248385), (26, 773767740), (30, 670598708), (39, 515845160), (40, 502949031), (52, 386883870), (60, 335299354), (65, 309507096), (78, 257922580), (104, 193441935), (120, 167649677), (130, 154753548), (156, 128961290), (191, 105329640), (195, 103169032), (251, 80151240), (260, 77376774), (269, 74787960), (312, 64480645), (382, 52664820), (390, 51584516), (502, 40075620), (520, 38688387), (538, 37393980), (573, 35109880), (753, 26717080), (764, 26332410), (780, 25792258), (807, 24929320), (955, 21065928), (1004, 20037810), (1076, 18696990), (1146, 17554940), (1255, 16030248), (1345, 14957592), (1506, 13358540), (1528, 13166205), (1560, 12896129), (1614, 12464660), (1910, 10532964), (2008, 10018905), (2152, 9348495), (2292, 8777470), (2483, 8102280), (2510, 8015124), (2690, 7478796), (2865, 7021976), (3012, 6679270), (3228, 6232330), (3263, 6165480), (3497, 5752920), (3765, 5343416), (3820, 5266482), (4035, 4985864), (4584, 4388735), (4966, 4051140), (5020, 4007562), (5380, 3739398), (5730, 3510988), (6024, 3339635), (6456, 3116165), (6526, 3082740), (6994, 2876460), (7449, 2700760), (7530, 2671708), (7640, 2633241), (8070, 2492932), (9789, 2055160), (9932, 2025570), (10040, 2003781), (10491, 1917640), (10760, 1869699), (11460, 1755494), (12415, 1620456), (13052, 1541370), (13988, 1438230), (14898, 1350380), (15060, 1335854), (16140, 1246466), (16315, 1233096), (17485, 1150584), (19578, 1027580), (19864, 1012785), (20982, 958820), (22920, 877747), (24830, 810228), (26104, 770685), (27976, 719115), (29796, 675190), (30120, 667927), (32280, 623233), (32630, 616548), (34970, 575292), (37245, 540152), (39156, 513790), (41964, 479410), (47941, 419640), (48945, 411032), (49660, 405114), (51379, 391560), (52455, 383528), (59592, 337595), (65260, 308274), (67519, 297960), (69940, 287646), (74490, 270076), (78312, 256895), (83928, 239705), (95882, 209820), (97890, 205516), (99320, 202557), (102758, 195780), (104910, 191764), (130520, 154137), (135038, 148980), (139880, 143823)]