15420780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 51367680

約数和(自身を除く): 35946900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 167, 171, 180, 190, 228, 243, 270, 285, 324, 334, 342, 380, 405, 486, 501, 513, 540, 570, 668, 684, 810, 835, 855, 972, 1002, 1026, 1140, 1215, 1503, 1539, 1620, 1670, 1710, 2004, 2052, 2430, 2505, 2565, 3006, 3078, 3173, 3340, 3420, 4509, 4617, 4860, 5010, 5130, 6012, 6156, 6346, 7515, 7695, 9018, 9234, 9519, 10020, 10260, 12692, 13527, 15030, 15390, 15865, 18036, 18468, 19038, 22545, 23085, 27054, 28557, 30060, 30780, 31730, 38076, 40581, 45090, 46170, 47595, 54108, 57114, 63460, 67635, 81162, 85671, 90180, 92340, 95190, 114228, 135270, 142785, 162324, 171342, 190380, 202905, 257013, 270540, 285570, 342684, 405810, 428355, 514026, 571140, 771039, 811620, 856710, 1028052, 1285065, 1542078, 1713420, 2570130, 3084156, 3855195, 5140260, 7710390, 15420780]

約数ペア:

[(1, 15420780), (2, 7710390), (3, 5140260), (4, 3855195), (5, 3084156), (6, 2570130), (9, 1713420), (10, 1542078), (12, 1285065), (15, 1028052), (18, 856710), (19, 811620), (20, 771039), (27, 571140), (30, 514026), (36, 428355), (38, 405810), (45, 342684), (54, 285570), (57, 270540), (60, 257013), (76, 202905), (81, 190380), (90, 171342), (95, 162324), (108, 142785), (114, 135270), (135, 114228), (162, 95190), (167, 92340), (171, 90180), (180, 85671), (190, 81162), (228, 67635), (243, 63460), (270, 57114), (285, 54108), (324, 47595), (334, 46170), (342, 45090), (380, 40581), (405, 38076), (486, 31730), (501, 30780), (513, 30060), (540, 28557), (570, 27054), (668, 23085), (684, 22545), (810, 19038), (835, 18468), (855, 18036), (972, 15865), (1002, 15390), (1026, 15030), (1140, 13527), (1215, 12692), (1503, 10260), (1539, 10020), (1620, 9519), (1670, 9234), (1710, 9018), (2004, 7695), (2052, 7515), (2430, 6346), (2505, 6156), (2565, 6012), (3006, 5130), (3078, 5010), (3173, 4860), (3340, 4617), (3420, 4509)]