121858520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 329011200

約数和(自身を除く): 207152680

約数列:

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

約数ペア:

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