1640179728180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{217717}}^1$

素因数の和:219735

約数の個数: 192

約数和(自身を含む): 5834703060480

約数和(自身を除く): 4194523332300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 1993, 3780, 3986, 5979, 7972, 9965, 11958, 13951, 17937, 19930, 23916, 27902, 29895, 35874, 39860, 41853, 53811, 55804, 59790, 69755, 71748, 83706, 89685, 107622, 119580, 125559, 139510, 167412, 179370, 209265, 215244, 217717, 251118, 269055, 279020, 358740, 376677, 418530, 435434, 502236, 538110, 627795, 653151, 753354, 837060, 870868, 1076220, 1088585, 1255590, 1306302, 1506708, 1524019, 1883385, 1959453, 2177170, 2511180, 2612604, 3048038, 3265755, 3766770, 3918906, 4354340, 4572057, 5878359, 6096076, 6531510, 7533540, 7620095, 7837812, 9144114, 9797265, 11756718, 13063020, 13716171, 15240190, 18288228, 19594530, 22860285, 23513436, 27432342, 29391795, 30480380, 39189060, 41148513, 45720570, 54864684, 58783590, 68580855, 82297026, 91441140, 117567180, 137161710, 164594052, 205742565, 274323420, 411485130, 433909981, 822970260, 867819962, 1301729943, 1735639924, 2169549905, 2603459886, 3037369867, 3905189829, 4339099810, 5206919772, 6074739734, 6508649715, 7810379658, 8678199620, 9112109601, 11715569487, 12149479468, 13017299430, 15186849335, 15620759316, 18224219202, 19525949145, 23431138974, 26034598860, 27336328803, 30373698670, 36448438404, 39051898290, 45560548005, 46862277948, 54672657606, 58577847435, 60747397340, 78103796580, 82008986409, 91121096010, 109345315212, 117155694870, 136681644015, 164017972818, 182242192020, 234311389740, 273363288030, 328035945636, 410044932045, 546726576060, 820089864090, 1640179728180]

約数ペア:

[(1, 1640179728180), (2, 820089864090), (3, 546726576060), (4, 410044932045), (5, 328035945636), (6, 273363288030), (7, 234311389740), (9, 182242192020), (10, 164017972818), (12, 136681644015), (14, 117155694870), (15, 109345315212), (18, 91121096010), (20, 82008986409), (21, 78103796580), (27, 60747397340), (28, 58577847435), (30, 54672657606), (35, 46862277948), (36, 45560548005), (42, 39051898290), (45, 36448438404), (54, 30373698670), (60, 27336328803), (63, 26034598860), (70, 23431138974), (84, 19525949145), (90, 18224219202), (105, 15620759316), (108, 15186849335), (126, 13017299430), (135, 12149479468), (140, 11715569487), (180, 9112109601), (189, 8678199620), (210, 7810379658), (252, 6508649715), (270, 6074739734), (315, 5206919772), (378, 4339099810), (420, 3905189829), (540, 3037369867), (630, 2603459886), (756, 2169549905), (945, 1735639924), (1260, 1301729943), (1890, 867819962), (1993, 822970260), (3780, 433909981), (3986, 411485130), (5979, 274323420), (7972, 205742565), (9965, 164594052), (11958, 137161710), (13951, 117567180), (17937, 91441140), (19930, 82297026), (23916, 68580855), (27902, 58783590), (29895, 54864684), (35874, 45720570), (39860, 41148513), (41853, 39189060), (53811, 30480380), (55804, 29391795), (59790, 27432342), (69755, 23513436), (71748, 22860285), (83706, 19594530), (89685, 18288228), (107622, 15240190), (119580, 13716171), (125559, 13063020), (139510, 11756718), (167412, 9797265), (179370, 9144114), (209265, 7837812), (215244, 7620095), (217717, 7533540), (251118, 6531510), (269055, 6096076), (279020, 5878359), (358740, 4572057), (376677, 4354340), (418530, 3918906), (435434, 3766770), (502236, 3265755), (538110, 3048038), (627795, 2612604), (653151, 2511180), (753354, 2177170), (837060, 1959453), (870868, 1883385), (1076220, 1524019), (1088585, 1506708), (1255590, 1306302)]