245234640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1$

素因数の和:2477

約数の個数: 160

約数和(自身を含む): 883443456

約数和(自身を除く): 638208816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 840, 854, 915, 976, 1220, 1281, 1464, 1680, 1708, 1830, 2135, 2393, 2440, 2562, 2928, 3416, 3660, 4270, 4786, 4880, 5124, 6405, 6832, 7179, 7320, 8540, 9572, 10248, 11965, 12810, 14358, 14640, 16751, 17080, 19144, 20496, 23930, 25620, 28716, 33502, 34160, 35895, 38288, 47860, 50253, 51240, 57432, 67004, 71790, 83755, 95720, 100506, 102480, 114864, 134008, 143580, 145973, 167510, 191440, 201012, 251265, 268016, 287160, 291946, 335020, 402024, 437919, 502530, 574320, 583892, 670040, 729865, 804048, 875838, 1005060, 1021811, 1167784, 1340080, 1459730, 1751676, 2010120, 2043622, 2189595, 2335568, 2919460, 3065433, 3503352, 4020240, 4087244, 4379190, 5109055, 5838920, 6130866, 7006704, 8174488, 8758380, 10218110, 11677840, 12261732, 15327165, 16348976, 17516760, 20436220, 24523464, 30654330, 35033520, 40872440, 49046928, 61308660, 81744880, 122617320, 245234640]

約数ペア:

[(1, 245234640), (2, 122617320), (3, 81744880), (4, 61308660), (5, 49046928), (6, 40872440), (7, 35033520), (8, 30654330), (10, 24523464), (12, 20436220), (14, 17516760), (15, 16348976), (16, 15327165), (20, 12261732), (21, 11677840), (24, 10218110), (28, 8758380), (30, 8174488), (35, 7006704), (40, 6130866), (42, 5838920), (48, 5109055), (56, 4379190), (60, 4087244), (61, 4020240), (70, 3503352), (80, 3065433), (84, 2919460), (105, 2335568), (112, 2189595), (120, 2043622), (122, 2010120), (140, 1751676), (168, 1459730), (183, 1340080), (210, 1167784), (240, 1021811), (244, 1005060), (280, 875838), (305, 804048), (336, 729865), (366, 670040), (420, 583892), (427, 574320), (488, 502530), (560, 437919), (610, 402024), (732, 335020), (840, 291946), (854, 287160), (915, 268016), (976, 251265), (1220, 201012), (1281, 191440), (1464, 167510), (1680, 145973), (1708, 143580), (1830, 134008), (2135, 114864), (2393, 102480), (2440, 100506), (2562, 95720), (2928, 83755), (3416, 71790), (3660, 67004), (4270, 57432), (4786, 51240), (4880, 50253), (5124, 47860), (6405, 38288), (6832, 35895), (7179, 34160), (7320, 33502), (8540, 28716), (9572, 25620), (10248, 23930), (11965, 20496), (12810, 19144), (14358, 17080), (14640, 16751)]