18648360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 128

約数和(自身を含む): 64281600

約数和(自身を除く): 45633240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 557, 558, 620, 744, 837, 930, 1080, 1114, 1116, 1240, 1395, 1671, 1674, 1860, 2228, 2232, 2785, 2790, 3342, 3348, 3720, 4185, 4456, 5013, 5570, 5580, 6684, 6696, 8355, 8370, 10026, 11140, 11160, 13368, 15039, 16710, 16740, 17267, 20052, 22280, 25065, 30078, 33420, 33480, 34534, 40104, 50130, 51801, 60156, 66840, 69068, 75195, 86335, 100260, 103602, 120312, 138136, 150390, 155403, 172670, 200520, 207204, 259005, 300780, 310806, 345340, 414408, 466209, 518010, 601560, 621612, 690680, 777015, 932418, 1036020, 1243224, 1554030, 1864836, 2072040, 2331045, 3108060, 3729672, 4662090, 6216120, 9324180, 18648360]

約数ペア:

[(1, 18648360), (2, 9324180), (3, 6216120), (4, 4662090), (5, 3729672), (6, 3108060), (8, 2331045), (9, 2072040), (10, 1864836), (12, 1554030), (15, 1243224), (18, 1036020), (20, 932418), (24, 777015), (27, 690680), (30, 621612), (31, 601560), (36, 518010), (40, 466209), (45, 414408), (54, 345340), (60, 310806), (62, 300780), (72, 259005), (90, 207204), (93, 200520), (108, 172670), (120, 155403), (124, 150390), (135, 138136), (155, 120312), (180, 103602), (186, 100260), (216, 86335), (248, 75195), (270, 69068), (279, 66840), (310, 60156), (360, 51801), (372, 50130), (465, 40104), (540, 34534), (557, 33480), (558, 33420), (620, 30078), (744, 25065), (837, 22280), (930, 20052), (1080, 17267), (1114, 16740), (1116, 16710), (1240, 15039), (1395, 13368), (1671, 11160), (1674, 11140), (1860, 10026), (2228, 8370), (2232, 8355), (2785, 6696), (2790, 6684), (3342, 5580), (3348, 5570), (3720, 5013), (4185, 4456)]