725565720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9011}}^1$

素因数の和:9097

約数の個数: 128

約数和(自身を含む): 2413774080

約数和(自身を除く): 1688208360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 1220, 1320, 1342, 1464, 1830, 2013, 2440, 2684, 3355, 3660, 4026, 5368, 6710, 7320, 8052, 9011, 10065, 13420, 16104, 18022, 20130, 26840, 27033, 36044, 40260, 45055, 54066, 72088, 80520, 90110, 99121, 108132, 135165, 180220, 198242, 216264, 270330, 297363, 360440, 396484, 495605, 540660, 549671, 594726, 792968, 991210, 1081320, 1099342, 1189452, 1486815, 1649013, 1982420, 2198684, 2378904, 2748355, 2973630, 3298026, 3964840, 4397368, 5496710, 5947260, 6046381, 6596052, 8245065, 10993420, 11894520, 12092762, 13192104, 16490130, 18139143, 21986840, 24185524, 30231905, 32980260, 36278286, 48371048, 60463810, 65960520, 72556572, 90695715, 120927620, 145113144, 181391430, 241855240, 362782860, 725565720]

約数ペア:

[(1, 725565720), (2, 362782860), (3, 241855240), (4, 181391430), (5, 145113144), (6, 120927620), (8, 90695715), (10, 72556572), (11, 65960520), (12, 60463810), (15, 48371048), (20, 36278286), (22, 32980260), (24, 30231905), (30, 24185524), (33, 21986840), (40, 18139143), (44, 16490130), (55, 13192104), (60, 12092762), (61, 11894520), (66, 10993420), (88, 8245065), (110, 6596052), (120, 6046381), (122, 5947260), (132, 5496710), (165, 4397368), (183, 3964840), (220, 3298026), (244, 2973630), (264, 2748355), (305, 2378904), (330, 2198684), (366, 1982420), (440, 1649013), (488, 1486815), (610, 1189452), (660, 1099342), (671, 1081320), (732, 991210), (915, 792968), (1220, 594726), (1320, 549671), (1342, 540660), (1464, 495605), (1830, 396484), (2013, 360440), (2440, 297363), (2684, 270330), (3355, 216264), (3660, 198242), (4026, 180220), (5368, 135165), (6710, 108132), (7320, 99121), (8052, 90110), (9011, 80520), (10065, 72088), (13420, 54066), (16104, 45055), (18022, 40260), (20130, 36044), (26840, 27033)]