2178720765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 4589125632

約数和(自身を除く): 2410404867

約数列:

[1, 3, 5, 9, 13, 15, 17, 31, 37, 39, 45, 51, 65, 85, 93, 111, 117, 153, 155, 185, 191, 195, 221, 255, 279, 333, 403, 465, 481, 527, 555, 573, 585, 629, 663, 765, 955, 1105, 1147, 1209, 1395, 1443, 1581, 1665, 1719, 1887, 1989, 2015, 2405, 2483, 2635, 2865, 3145, 3247, 3315, 3441, 3627, 4329, 4743, 5661, 5735, 5921, 6045, 6851, 7067, 7215, 7449, 7905, 8177, 8595, 9435, 9741, 9945, 10323, 12415, 14911, 16235, 17205, 17763, 18135, 19499, 20553, 21201, 21645, 22347, 23715, 24531, 28305, 29223, 29605, 34255, 35335, 37245, 40885, 42211, 44733, 48705, 51615, 53289, 58497, 61659, 63603, 73593, 74555, 76973, 88815, 91871, 97495, 100657, 102765, 106005, 111735, 120139, 122655, 126633, 134199, 146115, 175491, 211055, 219077, 223665, 230919, 253487, 266445, 275613, 292485, 301971, 308295, 318015, 360417, 367965, 379899, 384865, 459355, 503285, 600695, 633165, 657231, 670995, 692757, 760461, 826839, 877455, 905913, 1081251, 1095385, 1154595, 1267435, 1308541, 1378065, 1509855, 1561807, 1802085, 1899495, 1971693, 2281383, 2848001, 3286155, 3463785, 3724309, 3802305, 3925623, 4134195, 4529565, 4685421, 5406255, 6542705, 7809035, 8544003, 9858465, 11172927, 11406915, 11776869, 14056263, 14240005, 18621545, 19628115, 23427105, 25632009, 33518781, 42720015, 48416017, 55864635, 58884345, 70281315, 128160045, 145248051, 167593905, 242080085, 435744153, 726240255, 2178720765]

約数ペア:

[(1, 2178720765), (3, 726240255), (5, 435744153), (9, 242080085), (13, 167593905), (15, 145248051), (17, 128160045), (31, 70281315), (37, 58884345), (39, 55864635), (45, 48416017), (51, 42720015), (65, 33518781), (85, 25632009), (93, 23427105), (111, 19628115), (117, 18621545), (153, 14240005), (155, 14056263), (185, 11776869), (191, 11406915), (195, 11172927), (221, 9858465), (255, 8544003), (279, 7809035), (333, 6542705), (403, 5406255), (465, 4685421), (481, 4529565), (527, 4134195), (555, 3925623), (573, 3802305), (585, 3724309), (629, 3463785), (663, 3286155), (765, 2848001), (955, 2281383), (1105, 1971693), (1147, 1899495), (1209, 1802085), (1395, 1561807), (1443, 1509855), (1581, 1378065), (1665, 1308541), (1719, 1267435), (1887, 1154595), (1989, 1095385), (2015, 1081251), (2405, 905913), (2483, 877455), (2635, 826839), (2865, 760461), (3145, 692757), (3247, 670995), (3315, 657231), (3441, 633165), (3627, 600695), (4329, 503285), (4743, 459355), (5661, 384865), (5735, 379899), (5921, 367965), (6045, 360417), (6851, 318015), (7067, 308295), (7215, 301971), (7449, 292485), (7905, 275613), (8177, 266445), (8595, 253487), (9435, 230919), (9741, 223665), (9945, 219077), (10323, 211055), (12415, 175491), (14911, 146115), (16235, 134199), (17205, 126633), (17763, 122655), (18135, 120139), (19499, 111735), (20553, 106005), (21201, 102765), (21645, 100657), (22347, 97495), (23715, 91871), (24531, 88815), (28305, 76973), (29223, 74555), (29605, 73593), (34255, 63603), (35335, 61659), (37245, 58497), (40885, 53289), (42211, 51615), (44733, 48705)]