243717040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 679956480

約数和(自身を除く): 436239440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 101, 112, 124, 139, 140, 155, 202, 217, 248, 278, 280, 310, 404, 434, 496, 505, 556, 560, 620, 695, 707, 808, 868, 973, 1010, 1085, 1112, 1240, 1390, 1414, 1616, 1736, 1946, 2020, 2170, 2224, 2480, 2780, 2828, 3131, 3472, 3535, 3892, 4040, 4309, 4340, 4865, 5560, 5656, 6262, 7070, 7784, 8080, 8618, 8680, 9730, 11120, 11312, 12524, 14039, 14140, 15568, 15655, 17236, 17360, 19460, 21545, 21917, 25048, 28078, 28280, 30163, 31310, 34472, 38920, 43090, 43834, 50096, 56156, 56560, 60326, 62620, 68944, 70195, 77840, 86180, 87668, 98273, 109585, 112312, 120652, 125240, 140390, 150815, 172360, 175336, 196546, 219170, 224624, 241304, 250480, 280780, 301630, 344720, 350672, 393092, 435209, 438340, 482608, 491365, 561560, 603260, 786184, 870418, 876680, 982730, 1123120, 1206520, 1572368, 1740836, 1753360, 1965460, 2176045, 2413040, 3046463, 3481672, 3930920, 4352090, 6092926, 6963344, 7861840, 8704180, 12185852, 15232315, 17408360, 24371704, 30464630, 34816720, 48743408, 60929260, 121858520, 243717040]

約数ペア:

[(1, 243717040), (2, 121858520), (4, 60929260), (5, 48743408), (7, 34816720), (8, 30464630), (10, 24371704), (14, 17408360), (16, 15232315), (20, 12185852), (28, 8704180), (31, 7861840), (35, 6963344), (40, 6092926), (56, 4352090), (62, 3930920), (70, 3481672), (80, 3046463), (101, 2413040), (112, 2176045), (124, 1965460), (139, 1753360), (140, 1740836), (155, 1572368), (202, 1206520), (217, 1123120), (248, 982730), (278, 876680), (280, 870418), (310, 786184), (404, 603260), (434, 561560), (496, 491365), (505, 482608), (556, 438340), (560, 435209), (620, 393092), (695, 350672), (707, 344720), (808, 301630), (868, 280780), (973, 250480), (1010, 241304), (1085, 224624), (1112, 219170), (1240, 196546), (1390, 175336), (1414, 172360), (1616, 150815), (1736, 140390), (1946, 125240), (2020, 120652), (2170, 112312), (2224, 109585), (2480, 98273), (2780, 87668), (2828, 86180), (3131, 77840), (3472, 70195), (3535, 68944), (3892, 62620), (4040, 60326), (4309, 56560), (4340, 56156), (4865, 50096), (5560, 43834), (5656, 43090), (6262, 38920), (7070, 34472), (7784, 31310), (8080, 30163), (8618, 28280), (8680, 28078), (9730, 25048), (11120, 21917), (11312, 21545), (12524, 19460), (14039, 17360), (14140, 17236), (15568, 15655)]