15663578140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{3821}}^1$

素因数の和:3980

約数の個数: 144

約数和(自身を含む): 39527429760

約数和(自身を除く): 23863851620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 89, 94, 98, 140, 178, 188, 196, 235, 245, 329, 356, 445, 470, 490, 623, 658, 890, 940, 980, 1246, 1316, 1645, 1780, 2303, 2492, 3115, 3290, 3821, 4183, 4361, 4606, 6230, 6580, 7642, 8366, 8722, 9212, 11515, 12460, 15284, 16732, 17444, 19105, 20915, 21805, 23030, 26747, 29281, 38210, 41830, 43610, 46060, 53494, 58562, 76420, 83660, 87220, 106988, 117124, 133735, 146405, 179587, 187229, 204967, 267470, 292810, 340069, 359174, 374458, 409934, 534940, 585620, 680138, 718348, 748916, 819868, 897935, 936145, 1024835, 1257109, 1360276, 1700345, 1795870, 1872290, 2049670, 2380483, 2514218, 3400690, 3591740, 3744580, 4099340, 4760966, 5028436, 6285545, 6801380, 8799763, 9521932, 11902415, 12571090, 15983243, 16663381, 17599526, 23804830, 25142180, 31966486, 33326762, 35199052, 43998815, 47609660, 63932972, 66653524, 79916215, 83316905, 87997630, 111882701, 159832430, 166633810, 175995260, 223765402, 319664860, 333267620, 447530804, 559413505, 783178907, 1118827010, 1566357814, 2237654020, 3132715628, 3915894535, 7831789070, 15663578140]

約数ペア:

[(1, 15663578140), (2, 7831789070), (4, 3915894535), (5, 3132715628), (7, 2237654020), (10, 1566357814), (14, 1118827010), (20, 783178907), (28, 559413505), (35, 447530804), (47, 333267620), (49, 319664860), (70, 223765402), (89, 175995260), (94, 166633810), (98, 159832430), (140, 111882701), (178, 87997630), (188, 83316905), (196, 79916215), (235, 66653524), (245, 63932972), (329, 47609660), (356, 43998815), (445, 35199052), (470, 33326762), (490, 31966486), (623, 25142180), (658, 23804830), (890, 17599526), (940, 16663381), (980, 15983243), (1246, 12571090), (1316, 11902415), (1645, 9521932), (1780, 8799763), (2303, 6801380), (2492, 6285545), (3115, 5028436), (3290, 4760966), (3821, 4099340), (4183, 3744580), (4361, 3591740), (4606, 3400690), (6230, 2514218), (6580, 2380483), (7642, 2049670), (8366, 1872290), (8722, 1795870), (9212, 1700345), (11515, 1360276), (12460, 1257109), (15284, 1024835), (16732, 936145), (17444, 897935), (19105, 819868), (20915, 748916), (21805, 718348), (23030, 680138), (26747, 585620), (29281, 534940), (38210, 409934), (41830, 374458), (43610, 359174), (46060, 340069), (53494, 292810), (58562, 267470), (76420, 204967), (83660, 187229), (87220, 179587), (106988, 146405), (117124, 133735)]