65550420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 216936720

約数和(自身を除く): 151386300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 180, 195, 218, 234, 257, 260, 327, 390, 436, 468, 514, 545, 585, 654, 771, 780, 981, 1028, 1090, 1170, 1285, 1308, 1417, 1542, 1635, 1962, 2180, 2313, 2340, 2570, 2834, 3084, 3270, 3341, 3855, 3924, 4251, 4626, 4905, 5140, 5668, 6540, 6682, 7085, 7710, 8502, 9252, 9810, 10023, 11565, 12753, 13364, 14170, 15420, 16705, 17004, 19620, 20046, 21255, 23130, 25506, 28013, 28340, 30069, 33410, 40092, 42510, 46260, 50115, 51012, 56026, 60138, 63765, 66820, 84039, 85020, 100230, 112052, 120276, 127530, 140065, 150345, 168078, 200460, 252117, 255060, 280130, 300690, 336156, 364169, 420195, 504234, 560260, 601380, 728338, 840390, 1008468, 1092507, 1260585, 1456676, 1680780, 1820845, 2185014, 2521170, 3277521, 3641690, 4370028, 5042340, 5462535, 6555042, 7283380, 10925070, 13110084, 16387605, 21850140, 32775210, 65550420]

約数ペア:

[(1, 65550420), (2, 32775210), (3, 21850140), (4, 16387605), (5, 13110084), (6, 10925070), (9, 7283380), (10, 6555042), (12, 5462535), (13, 5042340), (15, 4370028), (18, 3641690), (20, 3277521), (26, 2521170), (30, 2185014), (36, 1820845), (39, 1680780), (45, 1456676), (52, 1260585), (60, 1092507), (65, 1008468), (78, 840390), (90, 728338), (109, 601380), (117, 560260), (130, 504234), (156, 420195), (180, 364169), (195, 336156), (218, 300690), (234, 280130), (257, 255060), (260, 252117), (327, 200460), (390, 168078), (436, 150345), (468, 140065), (514, 127530), (545, 120276), (585, 112052), (654, 100230), (771, 85020), (780, 84039), (981, 66820), (1028, 63765), (1090, 60138), (1170, 56026), (1285, 51012), (1308, 50115), (1417, 46260), (1542, 42510), (1635, 40092), (1962, 33410), (2180, 30069), (2313, 28340), (2340, 28013), (2570, 25506), (2834, 23130), (3084, 21255), (3270, 20046), (3341, 19620), (3855, 17004), (3924, 16705), (4251, 15420), (4626, 14170), (4905, 13364), (5140, 12753), (5668, 11565), (6540, 10023), (6682, 9810), (7085, 9252), (7710, 8502)]