208706640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1309

約数の個数: 160

約数和(自身を含む): 700014720

約数和(自身を除く): 491308080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 555, 570, 592, 703, 740, 760, 888, 912, 1110, 1140, 1237, 1406, 1480, 1520, 1776, 2109, 2220, 2280, 2474, 2812, 2960, 3515, 3711, 4218, 4440, 4560, 4948, 5624, 6185, 7030, 7422, 8436, 8880, 9896, 10545, 11248, 12370, 14060, 14844, 16872, 18555, 19792, 21090, 23503, 24740, 28120, 29688, 33744, 37110, 42180, 45769, 47006, 49480, 56240, 59376, 70509, 74220, 84360, 91538, 94012, 98960, 117515, 137307, 141018, 148440, 168720, 183076, 188024, 228845, 235030, 274614, 282036, 296880, 352545, 366152, 376048, 457690, 470060, 549228, 564072, 686535, 705090, 732304, 869611, 915380, 940120, 1098456, 1128144, 1373070, 1410180, 1739222, 1830760, 1880240, 2196912, 2608833, 2746140, 2820360, 3478444, 3661520, 4348055, 5217666, 5492280, 5640720, 6956888, 8696110, 10435332, 10984560, 13044165, 13913776, 17392220, 20870664, 26088330, 34784440, 41741328, 52176660, 69568880, 104353320, 208706640]

約数ペア:

[(1, 208706640), (2, 104353320), (3, 69568880), (4, 52176660), (5, 41741328), (6, 34784440), (8, 26088330), (10, 20870664), (12, 17392220), (15, 13913776), (16, 13044165), (19, 10984560), (20, 10435332), (24, 8696110), (30, 6956888), (37, 5640720), (38, 5492280), (40, 5217666), (48, 4348055), (57, 3661520), (60, 3478444), (74, 2820360), (76, 2746140), (80, 2608833), (95, 2196912), (111, 1880240), (114, 1830760), (120, 1739222), (148, 1410180), (152, 1373070), (185, 1128144), (190, 1098456), (222, 940120), (228, 915380), (240, 869611), (285, 732304), (296, 705090), (304, 686535), (370, 564072), (380, 549228), (444, 470060), (456, 457690), (555, 376048), (570, 366152), (592, 352545), (703, 296880), (740, 282036), (760, 274614), (888, 235030), (912, 228845), (1110, 188024), (1140, 183076), (1237, 168720), (1406, 148440), (1480, 141018), (1520, 137307), (1776, 117515), (2109, 98960), (2220, 94012), (2280, 91538), (2474, 84360), (2812, 74220), (2960, 70509), (3515, 59376), (3711, 56240), (4218, 49480), (4440, 47006), (4560, 45769), (4948, 42180), (5624, 37110), (6185, 33744), (7030, 29688), (7422, 28120), (8436, 24740), (8880, 23503), (9896, 21090), (10545, 19792), (11248, 18555), (12370, 16872), (14060, 14844)]